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113982131 is a prime number
BaseRepresentation
bin1101100101100…
…11101010110011
321221110220002102
412302303222303
5213134412011
615151011015
72552555264
oct662635263
9257426072
10113982131
115938150a
1232209a6b
131a7caa63
14111d096b
15a01773b
hex6cb3ab3

113982131 has 2 divisors, whose sum is σ = 113982132. Its totient is φ = 113982130.

The previous prime is 113982109. The next prime is 113982241. The reversal of 113982131 is 131289311.

It is a weak prime.

It is an emirp because it is prime and its reverse (131289311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113982131 - 26 = 113982067 is a prime.

It is a super-2 number, since 2×1139821312 = 25983852374602322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113982094 and 113982103.

It is not a weakly prime, because it can be changed into another prime (113982101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56991065 + 56991066.

It is an arithmetic number, because the mean of its divisors is an integer number (56991066).

Almost surely, 2113982131 is an apocalyptic number.

113982131 is a deficient number, since it is larger than the sum of its proper divisors (1).

113982131 is an equidigital number, since it uses as much as digits as its factorization.

113982131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 113982131 is about 10676.2414266445. The cubic root of 113982131 is about 484.8554229494.

The spelling of 113982131 in words is "one hundred thirteen million, nine hundred eighty-two thousand, one hundred thirty-one".