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31001032000012 = 2210375245223301
BaseRepresentation
bin1110000110001111111011…
…00000000000001000001100
311001202200002020000012211211
413003013331200000020030
513030410103143000022
6145533402201024204
76346515321114514
oct703077540001014
9131680066005754
1031001032000012
119972511406918
12358825aa85064
13143b50046a389
1479265a8b0844
1538b61be42e77
hex1c31fd80020c

31001032000012 has 12 divisors (see below), whose sum is σ = 54778522563856. Its totient is φ = 15350025553200.

The previous prime is 31001031999967. The next prime is 31001032000019. The reversal of 31001032000012 is 21000023010013.

It is a super-2 number, since 2×310010320000122 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31001031999956 and 31001032000001.

It is not an unprimeable number, because it can be changed into a prime (31001032000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37622611239 + ... + 37622612062.

Almost surely, 231001032000012 is an apocalyptic number.

It is an amenable number.

31001032000012 is a deficient number, since it is larger than the sum of its proper divisors (23777490563844).

31001032000012 is a wasteful number, since it uses less digits than its factorization.

31001032000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75245223408 (or 75245223406 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31001032000012 its reverse (21000023010013), we get a palindrome (52001055010025).

The spelling of 31001032000012 in words is "thirty-one trillion, one billion, thirty-two million, twelve", and thus it is an aban number and an uban number.

Divisors: 1 2 4 103 206 412 75245223301 150490446602 300980893204 7750258000003 15500516000006 31001032000012