131031022020122 has 16 divisors (see below), whose sum is σ = 224706919469760. Its totient is φ = 56135574721248.

The previous prime is 131031022020097. The next prime is 131031022020127. The reversal of 131031022020122 is 221020220130131.

It is a junction number, because it is equal to n+sod(n) for n = 131031022020094 and 131031022020103.

It is not an unprimeable number, because it can be changed into a prime (131031022020127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714758188 + ... + 1714834599.

It is an arithmetic number, because the mean of its divisors is an integer number (14044182466860).

Almost surely, 2^{131031022020122} is an apocalyptic number.

131031022020122 is a deficient number, since it is larger than the sum of its proper divisors (93675897449638).

131031022020122 is a wasteful number, since it uses less digits than its factorization.

131031022020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429595525.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131031022020122 its reverse (221020220130131), we get a palindrome (352051242150253).

The spelling of 131031022020122 in words is "one hundred thirty-one trillion, thirty-one billion, twenty-two million, twenty thousand, one hundred twenty-two".