131231231110022 has 8 divisors (see below), whose sum is σ = 196846899735072. Its totient is φ = 65615597865000.

The previous prime is 131231231109989. The next prime is 131231231110061. The reversal of 131231231110022 is 220011132132131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131231231110022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4386872 + ... + 16784132.

It is an arithmetic number, because the mean of its divisors is an integer number (24605862466884).

Almost surely, 2^{131231231110022} is an apocalyptic number.

131231231110022 is a deficient number, since it is larger than the sum of its proper divisors (65615668625050).

131231231110022 is a wasteful number, since it uses less digits than its factorization.

131231231110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17690014.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131231231110022 its reverse (220011132132131), we get a palindrome (351242363242153).

The spelling of 131231231110022 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, two hundred thirty-one million, one hundred ten thousand, twenty-two".