1133131931 has 2 divisors, whose sum is σ = 1133131932. Its totient is φ = 1133131930.

The previous prime is 1133131849. The next prime is 1133131999. The reversal of 1133131931 is 1391313311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1133131931 - 2¹⁰ = 1133130907 is a prime.

It is a super-2 number, since 2×1133131931² = 2567975946103577522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1133131931.

It is not a weakly prime, because it can be changed into another prime (1133133931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566565965 + 566565966.

It is an arithmetic number, because the mean of its divisors is an integer number (566565966).

Almost surely, 2^1133131931 is an apocalyptic number.

1133131931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133131931 is an equidigital number, since it uses as much as digits as its factorization.

1133131931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 729, while the sum is 26.

The square root of 1133131931 is about 33662.0250579195. The cubic root of 1133131931 is about 1042.5418381536.

The spelling of 1133131931 in words is "one billion, one hundred thirty-three million, one hundred thirty-one thousand, nine hundred thirty-one".