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115962131 is a prime number
BaseRepresentation
bin1101110100101…
…11000100010011
322002012111010202
412322113010103
5214141242011
615301245415
72605443005
oct672270423
9262174122
10115962131
115a50407a
1232a0386b
131b04205c
1411588375
15a2a923b
hex6e97113

115962131 has 2 divisors, whose sum is σ = 115962132. Its totient is φ = 115962130.

The previous prime is 115962127. The next prime is 115962137. The reversal of 115962131 is 131269511.

It is a weak prime.

It is an emirp because it is prime and its reverse (131269511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115962131 - 22 = 115962127 is a prime.

It is a super-2 number, since 2×1159621312 = 26894431652122322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115962094 and 115962103.

It is not a weakly prime, because it can be changed into another prime (115962137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57981065 + 57981066.

It is an arithmetic number, because the mean of its divisors is an integer number (57981066).

Almost surely, 2115962131 is an apocalyptic number.

115962131 is a deficient number, since it is larger than the sum of its proper divisors (1).

115962131 is an equidigital number, since it uses as much as digits as its factorization.

115962131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 29.

The square root of 115962131 is about 10768.5714465754. The cubic root of 115962131 is about 487.6468193330.

The spelling of 115962131 in words is "one hundred fifteen million, nine hundred sixty-two thousand, one hundred thirty-one".