1011132931 has 2 divisors, whose sum is σ = 1011132932. Its totient is φ = 1011132930.

The previous prime is 1011132911. The next prime is 1011132959. The reversal of 1011132931 is 1392311101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011132931 - 2⁷ = 1011132803 is a prime.

It is a super-2 number, since 2×1011132931² = 2044779608305301522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011132911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505566465 + 505566466.

It is an arithmetic number, because the mean of its divisors is an integer number (505566466).

Almost surely, 2^1011132931 is an apocalyptic number.

1011132931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011132931 is an equidigital number, since it uses as much as digits as its factorization.

1011132931 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 1011132931 is about 31798.3164805937. The cubic root of 1011132931 is about 1003.6972901979.

The spelling of 1011132931 in words is "one billion, eleven million, one hundred thirty-two thousand, nine hundred thirty-one".