31683134112 has 96 divisors (see below), whose sum is σ = 95270805504. Its totient is φ = 9031238400.

The previous prime is 31683134089. The next prime is 31683134173. The reversal of 31683134112 is 21143138613.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234937 + ... + 344327.

It is an arithmetic number, because the mean of its divisors is an integer number (992404224).

Almost surely, 2^31683134112 is an apocalyptic number.

31683134112 is a gapful number since it is divisible by the number (32) 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 31683134112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47635402752).

31683134112 is an abundant number, since it is smaller than the sum of its proper divisors (63587671392).

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

31683134112 is a wasteful number, since it uses less digits than its factorization.

31683134112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109842 (or 109834 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The spelling of 31683134112 in words is "thirty-one billion, six hundred eighty-three million, one hundred thirty-four thousand, one hundred twelve".