131131201002131 has 32 divisors (see below), whose sum is σ = 145441386530496. Its totient is φ = 117229282560000.

The previous prime is 131131201002073. The next prime is 131131201002203. The reversal of 131131201002131 is 131200102131131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131131201002131 is a prime.

It is a super-2 number, since 2×131131201002131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131131201032131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477291941 + ... + 477566601.

It is an arithmetic number, because the mean of its divisors is an integer number (4545043329078).

Almost surely, 2^{131131201002131} is an apocalyptic number.

131131201002131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131131201002131 is a deficient number, since it is larger than the sum of its proper divisors (14310185528365).

131131201002131 is a wasteful number, since it uses less digits than its factorization.

131131201002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276503.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 131131201002131 its reverse (131200102131131), we get a palindrome (262331303133262).

The spelling of 131131201002131 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two hundred one million, two thousand, one hundred thirty-one".