131231522042622 has 48 divisors (see below), whose sum is σ = 287428143130128. Its totient is φ = 43268805590400.

The previous prime is 131231522042561. The next prime is 131231522042627. The reversal of 131231522042622 is 226240225132131.

131231522042622 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 1 + 5 + 2 + 20 + 4 + 2 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131231522042627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33061288 + ... + 36817275.

It is an arithmetic number, because the mean of its divisors is an integer number (5988086315211).

Almost surely, 2^{131231522042622} is an apocalyptic number.

131231522042622 is an abundant number, since it is smaller than the sum of its proper divisors (156196621087506).

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

131231522042622 is a wasteful number, since it uses less digits than its factorization.

131231522042622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69879705 (or 69879702 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 131231522042622 its reverse (226240225132131), we get a palindrome (357471747174753).

The spelling of 131231522042622 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, five hundred twenty-two million, forty-two thousand, six hundred twenty-two".