312131100323401 has 8 divisors (see below), whose sum is σ = 315952852811904. Its totient is φ = 308310803473680.

The previous prime is 312131100323389. The next prime is 312131100323411. The reversal of 312131100323401 is 104323001131213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312131100323401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312131100323411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363478210 + ... + 364335931.

It is an arithmetic number, because the mean of its divisors is an integer number (39494106601488).

Almost surely, 2^{312131100323401} is an apocalyptic number.

It is an amenable number.

312131100323401 is a deficient number, since it is larger than the sum of its proper divisors (3821752488503).

312131100323401 is an equidigital number, since it uses as much as digits as its factorization.

312131100323401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727819391.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 312131100323401 its reverse (104323001131213), we get a palindrome (416454101454614).

The spelling of 312131100323401 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred million, three hundred twenty-three thousand, four hundred one".