312311023113 has 8 divisors (see below), whose sum is σ = 421431742368. Its totient is φ = 205698826304.

The previous prime is 312311023103. The next prime is 312311023217. The reversal of 312311023113 is 311320113213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 312311023113 - 2⁴ = 312311023097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312311023113.

It is not an unprimeable number, because it can be changed into a prime (312311023103) 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, 627130320 + ... + 627130817.

It is an arithmetic number, because the mean of its divisors is an integer number (52678967796).

Almost surely, 2^312311023113 is an apocalyptic number.

It is an amenable number.

312311023113 is a deficient number, since it is larger than the sum of its proper divisors (109120719255).

312311023113 is a wasteful number, since it uses less digits than its factorization.

312311023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254261223.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 312311023113 its reverse (311320113213), we get a palindrome (623631136326).

The spelling of 312311023113 in words is "three hundred twelve billion, three hundred eleven million, twenty-three thousand, one hundred thirteen".