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113353131 = 3232277237
BaseRepresentation
bin1101100000110…
…10000110101011
321220021221021010
412300122012223
5213004300011
615125315003
72544325413
oct660320653
9256257233
10113353131
1158a91981
1231b65a63
131a63a678
14110a9643
159e411a6
hex6c1a1ab

113353131 has 16 divisors (see below), whose sum is σ = 158425344. Its totient is φ = 71954784.

The previous prime is 113353129. The next prime is 113353147. The reversal of 113353131 is 131353311.

It is not a de Polignac number, because 113353131 - 21 = 113353129 is a prime.

It is a super-2 number, since 2×1133531312 = 25697864615006322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113353098 and 113353107.

It is not an unprimeable number, because it can be changed into a prime (113353111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12045 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (9901584).

Almost surely, 2113353131 is an apocalyptic number.

113353131 is a deficient number, since it is larger than the sum of its proper divisors (45072213).

113353131 is a wasteful number, since it uses less digits than its factorization.

113353131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490.

The product of its digits is 405, while the sum is 21.

The square root of 113353131 is about 10646.7427413270. The cubic root of 113353131 is about 483.9619005025.

The spelling of 113353131 in words is "one hundred thirteen million, three hundred fifty-three thousand, one hundred thirty-one".

Divisors: 1 3 23 69 227 681 5221 7237 15663 21711 166451 499353 1642799 4928397 37784377 113353131