312132232331322 has 64 divisors (see below), whose sum is σ = 695685278897280. Its totient is φ = 92699840911104.

The previous prime is 312132232331303. The next prime is 312132232331333. The reversal of 312132232331322 is 223133232231213.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14439813 + ... + 28857800.

It is an arithmetic number, because the mean of its divisors is an integer number (10870082482770).

Almost surely, 2^{312132232331322} is an apocalyptic number.

312132232331322 is an abundant number, since it is smaller than the sum of its proper divisors (383553046565958).

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

312132232331322 is a wasteful number, since it uses less digits than its factorization.

312132232331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43300847.

The product of its digits is 46656, while the sum is 33.

Adding to 312132232331322 its reverse (223133232231213), we get a palindrome (535265464562535).

The spelling of 312132232331322 in words is "three hundred twelve trillion, one hundred thirty-two billion, two hundred thirty-two million, three hundred thirty-one thousand, three hundred twenty-two".