3131132969 has 2 divisors, whose sum is σ = 3131132970. Its totient is φ = 3131132968.

The previous prime is 3131132957. The next prime is 3131133001. The reversal of 3131132969 is 9692311313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2093520025 + 1037612944 = 45755^2 + 32212^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131132969 - 2²⁴ = 3114355753 is a prime.

It is a super-2 number, since 2×3131132969² = 19607987339117509922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3131132269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565566484 + 1565566485.

It is an arithmetic number, because the mean of its divisors is an integer number (1565566485).

Almost surely, 2^3131132969 is an apocalyptic number.

It is an amenable number.

3131132969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131132969 is an equidigital number, since it uses as much as digits as its factorization.

3131132969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 38.

The square root of 3131132969 is about 55956.5274923310. The cubic root of 3131132969 is about 1462.9646659868.

The spelling of 3131132969 in words is "three billion, one hundred thirty-one million, one hundred thirty-two thousand, nine hundred sixty-nine".