1012931131 has 2 divisors, whose sum is σ = 1012931132. Its totient is φ = 1012931130.

The previous prime is 1012931123. The next prime is 1012931141. The reversal of 1012931131 is 1311392101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012931131 - 2³ = 1012931123 is a prime.

It is a super-2 number, since 2×1012931131² = 2052058952297878322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012931141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506465565 + 506465566.

It is an arithmetic number, because the mean of its divisors is an integer number (506465566).

Almost surely, 2^1012931131 is an apocalyptic number.

1012931131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012931131 is an equidigital number, since it uses as much as digits as its factorization.

1012931131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1012931131 is about 31826.5790024627. The cubic root of 1012931131 is about 1004.2919299836.

The spelling of 1012931131 in words is "one billion, twelve million, nine hundred thirty-one thousand, one hundred thirty-one".