210031312332 has 24 divisors (see below), whose sum is σ = 501470111296. Its totient is φ = 68382287568.

The previous prime is 210031312331. The next prime is 210031312357. The reversal of 210031312332 is 233213130012.

It is a super-2 number, since 2×210031312332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210031312299 and 210031312308.

It is not an unprimeable number, because it can be changed into a prime (210031312331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203518198 + ... + 203519229.

Almost surely, 2^210031312332 is an apocalyptic number.

It is an amenable number.

210031312332 is an abundant number, since it is smaller than the sum of its proper divisors (291438798964).

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

210031312332 is a wasteful number, since it uses less digits than its factorization.

210031312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407037477 (or 407037475 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 210031312332 its reverse (233213130012), we get a palindrome (443244442344).

The spelling of 210031312332 in words is "two hundred ten billion, thirty-one million, three hundred twelve thousand, three hundred thirty-two".