31131000130 has 16 divisors (see below), whose sum is σ = 56985560640. Its totient is φ = 12241342192.

The previous prime is 31131000119. The next prime is 31131000149. The reversal of 31131000130 is 3100013113.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31131000130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26381614 + ... + 26382793.

It is an arithmetic number, because the mean of its divisors is an integer number (3561597540).

Almost surely, 2^31131000130 is an apocalyptic number.

31131000130 is a deficient number, since it is larger than the sum of its proper divisors (25854560510).

31131000130 is a wasteful number, since it uses less digits than its factorization.

31131000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52764473.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 31131000130 its reverse (3100013113), we get a palindrome (34231013243).

The spelling of 31131000130 in words is "thirty-one billion, one hundred thirty-one million, one hundred thirty", and thus it is an aban number.