131111354401331 has 6 divisors (see below), whose sum is σ = 139277459520060. Its totient is φ = 123398921789216.

The previous prime is 131111354401327. The next prime is 131111354401333. The reversal of 131111354401331 is 133104453111131.

It is a happy number.

It is not a de Polignac number, because 131111354401331 - 2² = 131111354401327 is a prime.

It is a super-2 number, since 2×131111354401331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131111354401333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226836253001 + ... + 226836253578.

It is an arithmetic number, because the mean of its divisors is an integer number (23212909920010).

Almost surely, 2^{131111354401331} is an apocalyptic number.

131111354401331 is a deficient number, since it is larger than the sum of its proper divisors (8166105118729).

131111354401331 is an equidigital number, since it uses as much as digits as its factorization.

131111354401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453672506613 (or 453672506596 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 131111354401331 in words is "one hundred thirty-one trillion, one hundred eleven billion, three hundred fifty-four million, four hundred one thousand, three hundred thirty-one".