312102130313 has 4 divisors (see below), whose sum is σ = 314347469520. Its totient is φ = 309856791108.

The previous prime is 312102130259. The next prime is 312102130337. The reversal of 312102130313 is 313031201213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313031201213 = 863 ⋅362724451.

It is a cyclic number.

It is not a de Polignac number, because 312102130313 - 2³² = 307807163017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315102130313) 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 3 ways as a sum of consecutive naturals, for example, 1122669395 + ... + 1122669672.

It is an arithmetic number, because the mean of its divisors is an integer number (78586867380).

Almost surely, 2^312102130313 is an apocalyptic number.

It is an amenable number.

312102130313 is a deficient number, since it is larger than the sum of its proper divisors (2245339207).

312102130313 is a wasteful number, since it uses less digits than its factorization.

312102130313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245339206.

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

Adding to 312102130313 its reverse (313031201213), we get a palindrome (625133331526).

The spelling of 312102130313 in words is "three hundred twelve billion, one hundred two million, one hundred thirty thousand, three hundred thirteen".