312131402241398 has 64 divisors (see below), whose sum is σ = 490543441065216. Its totient is φ = 148825797120000.

The previous prime is 312131402241317. The next prime is 312131402241523. The reversal of 312131402241398 is 893142204131213.

It is a congruent number.

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, 9289331798 + ... + 9289365398.

It is an arithmetic number, because the mean of its divisors is an integer number (7664741266644).

Almost surely, 2^{312131402241398} is an apocalyptic number.

312131402241398 is a deficient number, since it is larger than the sum of its proper divisors (178412038823818).

312131402241398 is a wasteful number, since it uses less digits than its factorization.

312131402241398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46749.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 312131402241398 in words is "three hundred twelve trillion, one hundred thirty-one billion, four hundred two million, two hundred forty-one thousand, three hundred ninety-eight".