131013310222021 has 16 divisors (see below), whose sum is σ = 136100306837376. Its totient is φ = 126016421440000.

The previous prime is 131013310221943. The next prime is 131013310222031. The reversal of 131013310222021 is 120222013310131.

It is a cyclic number.

It is not a de Polignac number, because 131013310222021 - 2¹⁵ = 131013310189253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131013310221983 and 131013310222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013310222031) 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, 578130666 + ... + 578357236.

It is an arithmetic number, because the mean of its divisors is an integer number (8506269177336).

Almost surely, 2^{131013310222021} is an apocalyptic number.

It is an amenable number.

131013310222021 is a deficient number, since it is larger than the sum of its proper divisors (5086996615355).

131013310222021 is a wasteful number, since it uses less digits than its factorization.

131013310222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425324.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131013310222021 its reverse (120222013310131), we get a palindrome (251235323532152).

The spelling of 131013310222021 in words is "one hundred thirty-one trillion, thirteen billion, three hundred ten million, two hundred twenty-two thousand, twenty-one".