10311313121 has 4 divisors (see below), whose sum is σ = 10486081200. Its totient is φ = 10136545044.

The previous prime is 10311313087. The next prime is 10311313141. The reversal of 10311313121 is 12131311301.

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: 12131311301 = 3881 ⋅3125821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10311313121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10311313121.

It is not an unprimeable number, because it can be changed into a prime (10311313141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87383951 + ... + 87384068.

It is an arithmetic number, because the mean of its divisors is an integer number (2621520300).

Almost surely, 2^10311313121 is an apocalyptic number.

It is an amenable number.

10311313121 is a deficient number, since it is larger than the sum of its proper divisors (174768079).

10311313121 is an equidigital number, since it uses as much as digits as its factorization.

10311313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174768078.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 10311313121 its reverse (12131311301), we get a palindrome (22442624422).

The spelling of 10311313121 in words is "ten billion, three hundred eleven million, three hundred thirteen thousand, one hundred twenty-one".