131303310221022 has 32 divisors (see below), whose sum is σ = 263042431064064. Its totient is φ = 43695136716000.

The previous prime is 131303310220991. The next prime is 131303310221029. The reversal of 131303310221022 is 220122013303131.

It is a junction number, because it is equal to n+sod(n) for n = 131303310220983 and 131303310221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303310221029) 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, 403921072 + ... + 404246012.

It is an arithmetic number, because the mean of its divisors is an integer number (8220075970752).

Almost surely, 2^{131303310221022} is an apocalyptic number.

131303310221022 is an abundant number, since it is smaller than the sum of its proper divisors (131739120843042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131303310221022 is a wasteful number, since it uses less digits than its factorization.

131303310221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436504.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131303310221022 its reverse (220122013303131), we get a palindrome (351425323524153).

The spelling of 131303310221022 in words is "one hundred thirty-one trillion, three hundred three billion, three hundred ten million, two hundred twenty-one thousand, twenty-two".