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31230313323000 = 23353112101851821
BaseRepresentation
bin1110001100111010111111…
…01110110101100111111000
311002120120220020021020012020
413012131133232311213320
513043134140202314000
6150231001411314440
76402213164160231
oct706353756654770
9132516806236166
1031230313323000
119a50779775400
1236047888aba20
13145700cca306c
1479d7ab7a0088
1539258ad7eba0
hex1c675fbb59f8

31230313323000 has 384 divisors, whose sum is σ = 108162449478720. Its totient is φ = 7496016000000.

The previous prime is 31230313322993. The next prime is 31230313323091. The reversal of 31230313323000 is 32331303213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36237090 + ... + 37088910.

Almost surely, 231230313323000 is an apocalyptic number.

31230313323000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31230313323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54081224739360).

31230313323000 is an abundant number, since it is smaller than the sum of its proper divisors (76932136155720).

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

31230313323000 is a wasteful number, since it uses less digits than its factorization.

31230313323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851968 (or 851943 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 31230313323000 its reverse (32331303213), we get a palindrome (31262644626213).

The spelling of 31230313323000 in words is "thirty-one trillion, two hundred thirty billion, three hundred thirteen million, three hundred twenty-three thousand".