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130685131 is a prime number
BaseRepresentation
bin1111100101000…
…01100011001011
3100002220111022001
413302201203023
5231423411011
620545011431
73144543133
oct762414313
9302814261
10130685131
116784a745
1237923b77
13210c85a5
14134dbac3
15b7167c1
hex7ca18cb

130685131 has 2 divisors, whose sum is σ = 130685132. Its totient is φ = 130685130.

The previous prime is 130685101. The next prime is 130685141. The reversal of 130685131 is 131586031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130685131 - 219 = 130160843 is a prime.

It is a super-2 number, since 2×1306851312 = 34157206928974322, which contains 22 as substring.

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 130685131.

It is not a weakly prime, because it can be changed into another prime (130685101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65342565 + 65342566.

It is an arithmetic number, because the mean of its divisors is an integer number (65342566).

Almost surely, 2130685131 is an apocalyptic number.

130685131 is a deficient number, since it is larger than the sum of its proper divisors (1).

130685131 is an equidigital number, since it uses as much as digits as its factorization.

130685131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 130685131 is about 11431.7597507995. The cubic root of 130685131 is about 507.4680750299.

It can be divided in two parts, 130685 and 131, that added together give a triangular number (130816 = T511).

The spelling of 130685131 in words is "one hundred thirty million, six hundred eighty-five thousand, one hundred thirty-one".