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131132311 is a prime number
BaseRepresentation
bin1111101000011…
…10101110010111
3100010202012201021
413310032232113
5232032213221
621002342011
73151414642
oct764165627
9303665637
10131132311
1168025712
1237aba907
1321223cab
14135b6a59
15b7a4041
hex7d0eb97

131132311 has 2 divisors, whose sum is σ = 131132312. Its totient is φ = 131132310.

The previous prime is 131132299. The next prime is 131132321. The reversal of 131132311 is 113231131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131132311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131132321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65566155 + 65566156.

It is an arithmetic number, because the mean of its divisors is an integer number (65566156).

Almost surely, 2131132311 is an apocalyptic number.

131132311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131132311 is an equidigital number, since it uses as much as digits as its factorization.

131132311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 16.

The square root of 131132311 is about 11451.3017163989. The cubic root of 131132311 is about 508.0462362591.

Adding to 131132311 its reverse (113231131), we get a palindrome (244363442).

The spelling of 131132311 in words is "one hundred thirty-one million, one hundred thirty-two thousand, three hundred eleven".