312332211231402 has 32 divisors (see below), whose sum is σ = 643250402694144. Its totient is φ = 101039663091200.

The previous prime is 312332211231347. The next prime is 312332211231473. The reversal of 312332211231402 is 204132112233213.

It is a self number, because there is not a number n which added to its sum of digits gives 312332211231402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3323626143 + ... + 3323720114.

It is an arithmetic number, because the mean of its divisors is an integer number (20101575084192).

Almost surely, 2^{312332211231402} is an apocalyptic number.

312332211231402 is an abundant number, since it is smaller than the sum of its proper divisors (330918191462742).

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

312332211231402 is a wasteful number, since it uses less digits than its factorization.

312332211231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647346494.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 312332211231402 its reverse (204132112233213), we get a palindrome (516464323464615).

The spelling of 312332211231402 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred eleven million, two hundred thirty-one thousand, four hundred two".