312231200232 has 64 divisors (see below), whose sum is σ = 893443161600. Its totient is φ = 89073512640.

The previous prime is 312231200221. The next prime is 312231200263. The reversal of 312231200232 is 232002132213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 312231200199 and 312231200208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299394 + ... + 1520817.

It is an arithmetic number, because the mean of its divisors is an integer number (13960049400).

Almost surely, 2^312231200232 is an apocalyptic number.

It is an amenable number.

312231200232 is an abundant number, since it is smaller than the sum of its proper divisors (581211961368).

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

312231200232 is a wasteful number, since it uses less digits than its factorization.

312231200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820886 (or 2820882 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312231200232 its reverse (232002132213), we get a palindrome (544233332445).

The spelling of 312231200232 in words is "three hundred twelve billion, two hundred thirty-one million, two hundred thousand, two hundred thirty-two".