131111220322355 has 32 divisors (see below), whose sum is σ = 193643314142208. Its totient is φ = 82988168457600.

The previous prime is 131111220322349. The next prime is 131111220322373. The reversal of 131111220322355 is 553223022111131.

It is not a de Polignac number, because 131111220322355 - 2²⁰ = 131111219273779 is a prime.

It is a super-2 number, since 2×131111220322355² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41148170 + ... + 44219840.

It is an arithmetic number, because the mean of its divisors is an integer number (6051353566944).

Almost surely, 2^{131111220322355} is an apocalyptic number.

131111220322355 is a deficient number, since it is larger than the sum of its proper divisors (62532093819853).

131111220322355 is a wasteful number, since it uses less digits than its factorization.

131111220322355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165507.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 131111220322355 its reverse (553223022111131), we get a palindrome (684334242433486).

The spelling of 131111220322355 in words is "one hundred thirty-one trillion, one hundred eleven billion, two hundred twenty million, three hundred twenty-two thousand, three hundred fifty-five".