131021312113131 has 32 divisors (see below), whose sum is σ = 192329389612800. Its totient is φ = 78676500286080.

The previous prime is 131021312113103. The next prime is 131021312113183. The reversal of 131021312113131 is 131311213120131.

It is not a de Polignac number, because 131021312113131 - 2⁵ = 131021312113099 is a prime.

It is a super-2 number, since 2×131021312113131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131021312118131) 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, 160807585 + ... + 161620301.

It is an arithmetic number, because the mean of its divisors is an integer number (6010293425400).

Almost surely, 2^{131021312113131} is an apocalyptic number.

131021312113131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131021312113131 is a deficient number, since it is larger than the sum of its proper divisors (61308077499669).

131021312113131 is a wasteful number, since it uses less digits than its factorization.

131021312113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857659.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 131021312113131 its reverse (131311213120131), we get a palindrome (262332525233262).

The spelling of 131021312113131 in words is "one hundred thirty-one trillion, twenty-one billion, three hundred twelve million, one hundred thirteen thousand, one hundred thirty-one".