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13131302041 = 111396794961
BaseRepresentation
bin11000011101010111…
…11100010010011001
31020220010212021000001
430032223330102121
5203343103131131
610011001213001
7643256140264
oct141653742231
936803767001
1013131302041
115629306640
122665791161
131313655010
148c7d87cdb
1551cc3b261
hex30eafc499

13131302041 has 16 divisors (see below), whose sum is σ = 15443100288. Its totient is φ = 11007763200.

The previous prime is 13131302011. The next prime is 13131302081. The reversal of 13131302041 is 14020313131.

It is a cyclic number.

It is not a de Polignac number, because 13131302041 - 27 = 13131301913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13131302011) 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, 90801 + ... + 185761.

It is an arithmetic number, because the mean of its divisors is an integer number (965193768).

Almost surely, 213131302041 is an apocalyptic number.

13131302041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13131302041 is a deficient number, since it is larger than the sum of its proper divisors (2311798247).

13131302041 is a wasteful number, since it uses less digits than its factorization.

13131302041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95952.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13131302041 its reverse (14020313131), we get a palindrome (27151615172).

The spelling of 13131302041 in words is "thirteen billion, one hundred thirty-one million, three hundred two thousand, forty-one".

Divisors: 1 11 13 143 967 10637 12571 94961 138281 1044571 1234493 13579423 91827287 1010100157 1193754731 13131302041