10311232013 has 4 divisors (see below), whose sum is σ = 10435463808. Its totient is φ = 10187000220.

The previous prime is 10311231977. The next prime is 10311232027. The reversal of 10311232013 is 31023211301.

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.

It is a cyclic number.

It is not a de Polignac number, because 10311232013 - 2⁸ = 10311231757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311231982 and 10311232000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311232093) 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, 62115773 + ... + 62115938.

It is an arithmetic number, because the mean of its divisors is an integer number (2608865952).

Almost surely, 2^10311232013 is an apocalyptic number.

It is an amenable number.

10311232013 is a deficient number, since it is larger than the sum of its proper divisors (124231795).

10311232013 is an equidigital number, since it uses as much as digits as its factorization.

10311232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124231794.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10311232013 its reverse (31023211301), we get a palindrome (41334443314).

The spelling of 10311232013 in words is "ten billion, three hundred eleven million, two hundred thirty-two thousand, thirteen".