131403021321013 has 16 divisors (see below), whose sum is σ = 141636946139136. Its totient is φ = 121187101089600.

The previous prime is 131403021320971. The next prime is 131403021321029. The reversal of 131403021321013 is 310123120304131.

It is not a de Polignac number, because 131403021321013 - 2¹³ = 131403021312821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403021321073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214537506 + ... + 1214645692.

It is an arithmetic number, because the mean of its divisors is an integer number (8852309133696).

Almost surely, 2^{131403021321013} is an apocalyptic number.

131403021321013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131403021321013 is a deficient number, since it is larger than the sum of its proper divisors (10233924818123).

131403021321013 is a wasteful number, since it uses less digits than its factorization.

131403021321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190524.

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

Adding to 131403021321013 its reverse (310123120304131), we get a palindrome (441526141625144).

The spelling of 131403021321013 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, three hundred twenty-one thousand, thirteen".