131403021023131 has 32 divisors (see below), whose sum is σ = 154965365936640. Its totient is φ = 109847214547200.

The previous prime is 131403021023123. The next prime is 131403021023143. The reversal of 131403021023131 is 131320120304131.

It is not a de Polignac number, because 131403021023131 - 2³ = 131403021023123 is a prime.

It is a super-2 number, since 2×131403021023131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131403021023096 and 131403021023105.

It is not an unprimeable number, because it can be changed into a prime (131403021023161) 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, 141624255 + ... + 142549063.

It is an arithmetic number, because the mean of its divisors is an integer number (4842667685520).

Almost surely, 2^{131403021023131} is an apocalyptic number.

131403021023131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131403021023131 is a deficient number, since it is larger than the sum of its proper divisors (23562344913509).

131403021023131 is a wasteful number, since it uses less digits than its factorization.

131403021023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928627.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131403021023131 its reverse (131320120304131), we get a palindrome (262723141327262).

The spelling of 131403021023131 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, twenty-three thousand, one hundred thirty-one".