312231203032 has 96 divisors (see below), whose sum is σ = 716048478000. Its totient is φ = 127080817920.

The previous prime is 312231203027. The next prime is 312231203057. The reversal of 312231203032 is 230302132213.

It is a junction number, because it is equal to n+sod(n) for n = 312231202994 and 312231203012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468319 + ... + 918577.

Almost surely, 2^312231203032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312231203032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358024239000).

312231203032 is an abundant number, since it is smaller than the sum of its proper divisors (403817274968).

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

312231203032 is a wasteful number, since it uses less digits than its factorization.

312231203032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450369 (or 450358 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 312231203032 its reverse (230302132213), we get a palindrome (542533335245).

The spelling of 312231203032 in words is "three hundred twelve billion, two hundred thirty-one million, two hundred three thousand, thirty-two".