312131324341402 has 8 divisors (see below), whose sum is σ = 471069360662976. Its totient is φ = 155108204120412.

The previous prime is 312131324341387. The next prime is 312131324341411. The reversal of 312131324341402 is 204143423131213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478729024738 + ... + 478729025389.

It is an arithmetic number, because the mean of its divisors is an integer number (58883670082872).

Almost surely, 2^{312131324341402} is an apocalyptic number.

312131324341402 is a deficient number, since it is larger than the sum of its proper divisors (158938036321574).

312131324341402 is a wasteful number, since it uses less digits than its factorization.

312131324341402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957458050292.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 312131324341402 its reverse (204143423131213), we get a palindrome (516274747472615).

The spelling of 312131324341402 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred twenty-four million, three hundred forty-one thousand, four hundred two".