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113290231 is a prime number
BaseRepresentation
bin1101100000010…
…10101111110111
321220011201222111
412300022233313
5213000241411
615124111451
72543644135
oct660125767
9256151874
10113290231
1158a4969a
1231b35587
131a617b52
1411090755
159e2c721
hex6c0abf7

113290231 has 2 divisors, whose sum is σ = 113290232. Its totient is φ = 113290230.

The previous prime is 113290181. The next prime is 113290267. The reversal of 113290231 is 132092311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113290231 - 211 = 113288183 is a prime.

It is a super-2 number, since 2×1132902312 = 25669352880066722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113290291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56645115 + 56645116.

It is an arithmetic number, because the mean of its divisors is an integer number (56645116).

Almost surely, 2113290231 is an apocalyptic number.

113290231 is a deficient number, since it is larger than the sum of its proper divisors (1).

113290231 is an equidigital number, since it uses as much as digits as its factorization.

113290231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 113290231 is about 10643.7883763254. The cubic root of 113290231 is about 483.8723666254.

The spelling of 113290231 in words is "one hundred thirteen million, two hundred ninety thousand, two hundred thirty-one".