3130031000231 has 4 divisors (see below), whose sum is σ = 3134336408112. Its totient is φ = 3125725592352.

The previous prime is 3130031000221. The next prime is 3130031000237. The reversal of 3130031000231 is 1320001300313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3130031000231 is a prime.

It is a super-2 number, since 2×3130031000231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130031000237) 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, 2152702850 + ... + 2152704303.

It is an arithmetic number, because the mean of its divisors is an integer number (783584102028).

Almost surely, 2^{3130031000231} is an apocalyptic number.

3130031000231 is a deficient number, since it is larger than the sum of its proper divisors (4305407881).

3130031000231 is an equidigital number, since it uses as much as digits as its factorization.

3130031000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305407880.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 3130031000231 its reverse (1320001300313), we get a palindrome (4450032300544).

The spelling of 3130031000231 in words is "three trillion, one hundred thirty billion, thirty-one million, two hundred thirty-one", and thus it is an aban number.