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113234431 is a prime number
BaseRepresentation
bin1101011111111…
…01000111111111
321220001220102211
412233331013333
5212442000211
615123001251
72543322352
oct657750777
9256056384
10113234431
1158a10782
1231b09227
131a5c862b
1411078299
159e1ae21
hex6bfd1ff

113234431 has 2 divisors, whose sum is σ = 113234432. Its totient is φ = 113234430.

The previous prime is 113234419. The next prime is 113234441. The reversal of 113234431 is 134432311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113234431 - 215 = 113201663 is a prime.

It is a super-2 number, since 2×1132344312 = 25644072727787522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113234411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56617215 + 56617216.

It is an arithmetic number, because the mean of its divisors is an integer number (56617216).

Almost surely, 2113234431 is an apocalyptic number.

113234431 is a deficient number, since it is larger than the sum of its proper divisors (1).

113234431 is an equidigital number, since it uses as much as digits as its factorization.

113234431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 113234431 is about 10641.1668063234. The cubic root of 113234431 is about 483.7929113717.

Adding to 113234431 its reverse (134432311), we get a palindrome (247666742).

The spelling of 113234431 in words is "one hundred thirteen million, two hundred thirty-four thousand, four hundred thirty-one".