31211013412032 has 56 divisors (see below), whose sum is σ = 82608290100336. Its totient is φ = 10399998640128.

The previous prime is 31211013412031. The next prime is 31211013412039. The reversal of 31211013412032 is 23021431011213.

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

It is a junction number, because it is equal to n+sod(n) for n = 31211013411993 and 31211013412011.

It is not an unprimeable number, because it can be changed into a prime (31211013412031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28146033 + ... + 29233904.

It is an arithmetic number, because the mean of its divisors is an integer number (1475148037506).

Almost surely, 2^{31211013412032} is an apocalyptic number.

31211013412032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31211013412032 is an abundant number, since it is smaller than the sum of its proper divisors (51397276688304).

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

31211013412032 is a wasteful number, since it uses less digits than its factorization.

31211013412032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57382785 (or 57382775 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31211013412032 its reverse (23021431011213), we get a palindrome (54232444423245).

The spelling of 31211013412032 in words is "thirty-one trillion, two hundred eleven billion, thirteen million, four hundred twelve thousand, thirty-two".