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131337407 is a prime number
BaseRepresentation
bin1111101010000…
…00110010111111
3100011010122001102
413311000302333
5232110244112
621011003315
73153230615
oct765006277
9304118042
10131337407
1168155813
1237b9953b
1321296456
141362b6b5
15b7e4bc2
hex7d40cbf

131337407 has 2 divisors, whose sum is σ = 131337408. Its totient is φ = 131337406.

The previous prime is 131337377. The next prime is 131337449. The reversal of 131337407 is 704733131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131337407 - 26 = 131337343 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131337407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131337467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65668703 + 65668704.

It is an arithmetic number, because the mean of its divisors is an integer number (65668704).

Almost surely, 2131337407 is an apocalyptic number.

131337407 is a deficient number, since it is larger than the sum of its proper divisors (1).

131337407 is an equidigital number, since it uses as much as digits as its factorization.

131337407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 131337407 is about 11460.2533567107. The cubic root of 131337407 is about 508.3109662708.

The spelling of 131337407 in words is "one hundred thirty-one million, three hundred thirty-seven thousand, four hundred seven".