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131132933 is a prime number
BaseRepresentation
bin1111101000011…
…10111000000101
3100010202020120022
413310032320011
5232032223213
621002344525
73151416521
oct764167005
9303666508
10131132933
1168026128
1237abb145
1321224369
14135b6d81
15b7a4308
hex7d0ee05

131132933 has 2 divisors, whose sum is σ = 131132934. Its totient is φ = 131132932.

The previous prime is 131132923. The next prime is 131132977. The reversal of 131132933 is 339231131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85340644 + 45792289 = 9238^2 + 6767^2 .

It is a cyclic number.

It is not a de Polignac number, because 131132933 - 210 = 131131909 is a prime.

It is a super-2 number, since 2×1311329332 = 34391692234364978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131132923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566466 + 65566467.

It is an arithmetic number, because the mean of its divisors is an integer number (65566467).

Almost surely, 2131132933 is an apocalyptic number.

It is an amenable number.

131132933 is a deficient number, since it is larger than the sum of its proper divisors (1).

131132933 is an equidigital number, since it uses as much as digits as its factorization.

131132933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 26.

The square root of 131132933 is about 11451.3288748512. The cubic root of 131132933 is about 508.0470395299.

The spelling of 131132933 in words is "one hundred thirty-one million, one hundred thirty-two thousand, nine hundred thirty-three".