131222042013320 has 16 divisors (see below), whose sum is σ = 295249594530060. Its totient is φ = 52488816805312.

The previous prime is 131222042013313. The next prime is 131222042013347. The reversal of 131222042013320 is 23310240222131.

It can be written as a sum of positive squares in 2 ways, for example, as 121499606654596 + 9722435358724 = 11022686^2 + 3118082^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131222042013320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640275525127 + ... + 1640275525206.

Almost surely, 2^{131222042013320} is an apocalyptic number.

131222042013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131222042013320 is an abundant number, since it is smaller than the sum of its proper divisors (164027552516740).

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

131222042013320 is a wasteful number, since it uses less digits than its factorization.

131222042013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280551050344 (or 3280551050340 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131222042013320 its reverse (23310240222131), we get a palindrome (154532282235451).

The spelling of 131222042013320 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, forty-two million, thirteen thousand, three hundred twenty".