12130131031 has 12 divisors (see below), whose sum is σ = 12956435352. Its totient is φ = 11353220784.

The previous prime is 12130130983. The next prime is 12130131037. The reversal of 12130131031 is 13013103121.

It is a de Polignac number, because none of the positive numbers 2^k-12130131031 is a prime.

It is a super-2 number, since 2×12130131031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12130130996 and 12130131014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130131037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172456 + ... + 232381.

It is an arithmetic number, because the mean of its divisors is an integer number (1079702946).

Almost surely, 2^12130131031 is an apocalyptic number.

12130131031 is a deficient number, since it is larger than the sum of its proper divisors (826304321).

12130131031 is an equidigital number, since it uses as much as digits as its factorization.

12130131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404958 (or 404939 counting only the distinct ones).

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

Adding to 12130131031 its reverse (13013103121), we get a palindrome (25143234152).

The spelling of 12130131031 in words is "twelve billion, one hundred thirty million, one hundred thirty-one thousand, thirty-one".