10311331213 has 4 divisors (see below), whose sum is σ = 10321551580. Its totient is φ = 10301110848.

The previous prime is 10311331201. The next prime is 10311331231. The reversal of 10311331213 is 31213311301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4103939844 + 6207391369 = 64062^2 + 78787^2 .

It is a cyclic number.

It is not a de Polignac number, because 10311331213 - 2²⁵ = 10277776781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311331253) 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, 5108670 + ... + 5110687.

It is an arithmetic number, because the mean of its divisors is an integer number (2580387895).

Almost surely, 2^10311331213 is an apocalyptic number.

It is an amenable number.

10311331213 is a deficient number, since it is larger than the sum of its proper divisors (10220367).

10311331213 is a wasteful number, since it uses less digits than its factorization.

10311331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220366.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 10311331213 its reverse (31213311301), we get a palindrome (41524642514).

The spelling of 10311331213 in words is "ten billion, three hundred eleven million, three hundred thirty-one thousand, two hundred thirteen".