30131031013 has 16 divisors (see below), whose sum is σ = 32243774976. Its totient is φ = 28057674240.

The previous prime is 30131030989. The next prime is 30131031017. The reversal of 30131031013 is 31013013103.

It is a cyclic number.

It is not a de Polignac number, because 30131031013 - 2⁵ = 30131030981 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 (30131031017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593553 + ... + 642313.

It is an arithmetic number, because the mean of its divisors is an integer number (2015235936).

Almost surely, 2^30131031013 is an apocalyptic number.

It is an amenable number.

30131031013 is a deficient number, since it is larger than the sum of its proper divisors (2112743963).

30131031013 is a wasteful number, since it uses less digits than its factorization.

30131031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49164.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 30131031013 its reverse (31013013103), we get a palindrome (61144044116).

The spelling of 30131031013 in words is "thirty billion, one hundred thirty-one million, thirty-one thousand, thirteen".