312001321313 has 16 divisors (see below), whose sum is σ = 345755327424. Its totient is φ = 279153293760.

The previous prime is 312001321277. The next prime is 312001321381. The reversal of 312001321313 is 313123100213.

It is not a de Polignac number, because 312001321313 - 2³² = 307706354017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312001321813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633731 + ... + 1012727.

It is an arithmetic number, because the mean of its divisors is an integer number (21609707964).

Almost surely, 2^312001321313 is an apocalyptic number.

It is an amenable number.

312001321313 is a deficient number, since it is larger than the sum of its proper divisors (33754006111).

312001321313 is a wasteful number, since it uses less digits than its factorization.

312001321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380192.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 312001321313 its reverse (313123100213), we get a palindrome (625124421526).

The spelling of 312001321313 in words is "three hundred twelve billion, one million, three hundred twenty-one thousand, three hundred thirteen".