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13310831 is a prime number
BaseRepresentation
bin110010110001…
…101101101111
3221001021000202
4302301231233
511401421311
61153144115
7221066042
oct62615557
927037022
1013310831
117571696
12455b03b
1329b0841
141aa6c59
15127de3b
hexcb1b6f

13310831 has 2 divisors, whose sum is σ = 13310832. Its totient is φ = 13310830.

The previous prime is 13310827. The next prime is 13310833. The reversal of 13310831 is 13801331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13310831 - 22 = 13310827 is a prime.

It is a super-2 number, since 2×133108312 = 354356443821122, which contains 22 as substring.

Together with 13310833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13310833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655415 + 6655416.

It is an arithmetic number, because the mean of its divisors is an integer number (6655416).

Almost surely, 213310831 is an apocalyptic number.

13310831 is a deficient number, since it is larger than the sum of its proper divisors (1).

13310831 is an equidigital number, since it uses as much as digits as its factorization.

13310831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13310831 is about 3648.4011566712. The cubic root of 13310831 is about 236.9927478538.

It can be divided in two parts, 13310 and 831, that added together give a palindrome (14141).

The spelling of 13310831 in words is "thirteen million, three hundred ten thousand, eight hundred thirty-one".