20131010131 has 12 divisors (see below), whose sum is σ = 21252006264. Its totient is φ = 19066363200.

The previous prime is 20131010117. The next prime is 20131010143. The reversal of 20131010131 is 13101013102.

It is not a de Polignac number, because 20131010131 - 2²⁵ = 20097455699 is a prime.

It is a super-2 number, since 2×20131010131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20131010191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2508916 + ... + 2516926.

It is an arithmetic number, because the mean of its divisors is an integer number (1771000522).

Almost surely, 2^20131010131 is an apocalyptic number.

20131010131 is a deficient number, since it is larger than the sum of its proper divisors (1120996133).

20131010131 is an equidigital number, since it uses as much as digits as its factorization.

20131010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010 (or 14991 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20131010131 its reverse (13101013102), we get a palindrome (33232023233).

The spelling of 20131010131 in words is "twenty billion, one hundred thirty-one million, ten thousand, one hundred thirty-one".