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13131110130 = 235437703671
BaseRepresentation
bin11000011101010110…
…01101011011110010
31020220010111111202020
430032223031123302
5203343031011010
610010553132310
7643254410625
oct141653153362
936803444666
1013131110130
115629195436
1226656ba096
1313135b8868
148c7d37dbc
1551cbee470
hex30eacd6f2

13131110130 has 16 divisors (see below), whose sum is σ = 31514664384. Its totient is φ = 3501629360.

The previous prime is 13131110117. The next prime is 13131110137. The reversal of 13131110130 is 3101113131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (13131110137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218851806 + ... + 218851865.

It is an arithmetic number, because the mean of its divisors is an integer number (1969666524).

Almost surely, 213131110130 is an apocalyptic number.

13131110130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131110130 is an abundant number, since it is smaller than the sum of its proper divisors (18383554254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131110130 is a wasteful number, since it uses less digits than its factorization.

13131110130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437703681.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 13131110130 its reverse (3101113131), we get a palindrome (16232223261).

The spelling of 13131110130 in words is "thirteen billion, one hundred thirty-one million, one hundred ten thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 437703671 875407342 1313111013 2188518355 2626222026 4377036710 6565555065 13131110130