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31323221014000 = 245349931385993
BaseRepresentation
bin1110001111101000000010…
…11101100011010111110000
311002220110201010110221111211
413013310001131203113300
513101144424034422000
6150341404501445504
76412012421416066
oct707640135432760
9132813633427454
1031323221014000
119a87115738803
12361a797410894
1314629c8329956
147a40a2916036
15394bc76197ba
hex1c7d017635f0

31323221014000 has 80 divisors (see below), whose sum is σ = 75891333492000. Its totient is φ = 12504179212800.

The previous prime is 31323221013967. The next prime is 31323221014031. The reversal of 31323221014000 is 41012232313.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×313232210140002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14694997 + ... + 16690996.

It is an arithmetic number, because the mean of its divisors is an integer number (948641668650).

Almost surely, 231323221014000 is an apocalyptic number.

It is an amenable number.

31323221014000 is an abundant number, since it is smaller than the sum of its proper divisors (44568112478000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31323221014000 is a wasteful number, since it uses less digits than its factorization.

31323221014000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31386515 (or 31386499 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31323221014000 its reverse (41012232313), we get a palindrome (31364233246313).

The spelling of 31323221014000 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred twenty-one million, fourteen thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 499 500 998 1000 1996 2000 2495 3992 4990 7984 9980 12475 19960 24950 39920 49900 62375 99800 124750 199600 249500 499000 998000 31385993 62771986 125543972 156929965 251087944 313859930 502175888 627719860 784649825 1255439720 1569299650 2510879440 3138599300 3923249125 6277198600 7846498250 12554397200 15661610507 15692996500 31323221014 31385993000 62646442028 62771986000 78308052535 125292884056 156616105070 250585768112 313232210140 391540262675 626464420280 783080525350 1252928840560 1566161050700 1957701313375 3132322101400 3915402626750 6264644202800 7830805253500 15661610507000 31323221014000