131231010022 has 48 divisors (see below), whose sum is σ = 240025140432. Its totient is φ = 53593989120.

The previous prime is 131231010019. The next prime is 131231010091. The reversal of 131231010022 is 220010132131.

131231010022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131231009978 and 131231010005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207003 + ... + 552550.

It is an arithmetic number, because the mean of its divisors is an integer number (5000523759).

Almost surely, 2^131231010022 is an apocalyptic number.

131231010022 is a deficient number, since it is larger than the sum of its proper divisors (108794130410).

131231010022 is a wasteful number, since it uses less digits than its factorization.

131231010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759653 (or 759646 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131231010022 its reverse (220010132131), we get a palindrome (351241142153).

The spelling of 131231010022 in words is "one hundred thirty-one billion, two hundred thirty-one million, ten thousand, twenty-two".