210031213112 has 48 divisors (see below), whose sum is σ = 458734545360. Its totient is φ = 89889440256.

The previous prime is 210031213109. The next prime is 210031213121. The reversal of 210031213112 is 211312130012.

It is a super-2 number, since 2×210031213112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83513 + ... + 653480.

It is an arithmetic number, because the mean of its divisors is an integer number (9556969695).

Almost surely, 2^210031213112 is an apocalyptic number.

It is an amenable number.

210031213112 is an abundant number, since it is smaller than the sum of its proper divisors (248703332248).

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

210031213112 is a wasteful number, since it uses less digits than its factorization.

210031213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737740 (or 737729 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 210031213112 its reverse (211312130012), we get a palindrome (421343343124).

The spelling of 210031213112 in words is "two hundred ten billion, thirty-one million, two hundred thirteen thousand, one hundred twelve".