31044411013 has 16 divisors (see below), whose sum is σ = 39047250816. Its totient is φ = 23976368640.

The previous prime is 31044411007. The next prime is 31044411043. The reversal of 31044411013 is 31011444013.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-31044411013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31044411043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1775256 + ... + 1792657.

It is an arithmetic number, because the mean of its divisors is an integer number (2440453176).

Almost surely, 2^31044411013 is an apocalyptic number.

It is an amenable number.

31044411013 is a deficient number, since it is larger than the sum of its proper divisors (8002839803).

31044411013 is a wasteful number, since it uses less digits than its factorization.

31044411013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568044.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31044411013 its reverse (31011444013), we get a palindrome (62055855026).

The spelling of 31044411013 in words is "thirty-one billion, forty-four million, four hundred eleven thousand, thirteen".