312131124032404 has 24 divisors (see below), whose sum is σ = 547015918353408. Its totient is φ = 155841016353600.

The previous prime is 312131124032369. The next prime is 312131124032419. The reversal of 312131124032404 is 404230421131213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11266222 + ... + 27407845.

It is an arithmetic number, because the mean of its divisors is an integer number (22792329931392).

Almost surely, 2^{312131124032404} is an apocalyptic number.

It is an amenable number.

312131124032404 is a deficient number, since it is larger than the sum of its proper divisors (234884794321004).

312131124032404 is a wasteful number, since it uses less digits than its factorization.

312131124032404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38676975 (or 38676973 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 312131124032404 its reverse (404230421131213), we get a palindrome (716361545163617).

The spelling of 312131124032404 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred twenty-four million, thirty-two thousand, four hundred four".