131222042330 has 32 divisors (see below), whose sum is σ = 240572203200. Its totient is φ = 51525631872.

The previous prime is 131222042311. The next prime is 131222042353. The reversal of 131222042330 is 33240222131.

It is a junction number, because it is equal to n+sod(n) for n = 131222042296 and 131222042305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406652 + ... + 654071.

It is an arithmetic number, because the mean of its divisors is an integer number (7517881350).

Almost surely, 2^131222042330 is an apocalyptic number.

131222042330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131222042330 is a deficient number, since it is larger than the sum of its proper divisors (109350160870).

131222042330 is a wasteful number, since it uses less digits than its factorization.

131222042330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060958.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 131222042330 its reverse (33240222131), we get a palindrome (164462264461).

The spelling of 131222042330 in words is "one hundred thirty-one billion, two hundred twenty-two million, forty-two thousand, three hundred thirty".