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113246131 = 29311031223
BaseRepresentation
bin1101011111111…
…11111110110011
321220002111111011
412233333332303
5212442334011
615123131351
72543401435
oct657777663
9256074434
10113246131
1158a19549
1231b13b57
131a600a5b
141107c655
159e1e621
hex6bfffb3

113246131 has 16 divisors (see below), whose sum is σ = 122204160. Its totient is φ = 104700960.

The previous prime is 113246117. The next prime is 113246167. The reversal of 113246131 is 131642311.

It is a cyclic number.

It is not a de Polignac number, because 113246131 - 213 = 113237939 is a prime.

It is a super-2 number, since 2×1132461312 = 25649372372938322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113246101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91986 + ... + 93208.

It is an arithmetic number, because the mean of its divisors is an integer number (7637760).

Almost surely, 2113246131 is an apocalyptic number.

113246131 is a deficient number, since it is larger than the sum of its proper divisors (8958029).

113246131 is a wasteful number, since it uses less digits than its factorization.

113246131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its digits is 432, while the sum is 22.

The square root of 113246131 is about 10641.7165438664. The cubic root of 113246131 is about 483.8095735066.

Adding to 113246131 its reverse (131642311), we get a palindrome (244888442).

The spelling of 113246131 in words is "one hundred thirteen million, two hundred forty-six thousand, one hundred thirty-one".

Divisors: 1 29 31 103 899 1223 2987 3193 35467 37913 92597 125969 1099477 3653101 3905039 113246131