10311231013 has 4 divisors (see below), whose sum is σ = 10318448140. Its totient is φ = 10304013888.

The previous prime is 10311230977. The next prime is 10311231019. The reversal of 10311231013 is 31013211301.

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 3421899009 + 6889332004 = 58497^2 + 83002^2 .

It is a cyclic number.

It is not a de Polignac number, because 10311231013 - 2¹⁷ = 10311099941 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 (10311231019) 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, 3606420 + ... + 3609277.

It is an arithmetic number, because the mean of its divisors is an integer number (2579612035).

Almost surely, 2^10311231013 is an apocalyptic number.

It is an amenable number.

10311231013 is a deficient number, since it is larger than the sum of its proper divisors (7217127).

10311231013 is an equidigital number, since it uses as much as digits as its factorization.

10311231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7217126.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10311231013 its reverse (31013211301), we get a palindrome (41324442314).

The spelling of 10311231013 in words is "ten billion, three hundred eleven million, two hundred thirty-one thousand, thirteen".