131311103321319 has 4 divisors (see below), whose sum is σ = 175081471095096. Its totient is φ = 87540735547544.

The previous prime is 131311103321309. The next prime is 131311103321353. The reversal of 131311103321319 is 913123301113131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131311103321319 - 2⁸ = 131311103321063 is a prime.

It is a super-2 number, since 2×131311103321319² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131311103321319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311103321309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21885183886884 + ... + 21885183886889.

It is an arithmetic number, because the mean of its divisors is an integer number (43770367773774).

Almost surely, 2^{131311103321319} is an apocalyptic number.

131311103321319 is a deficient number, since it is larger than the sum of its proper divisors (43770367773777).

131311103321319 is an equidigital number, since it uses as much as digits as its factorization.

131311103321319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43770367773776.

The product of its (nonzero) digits is 4374, while the sum is 33.

The spelling of 131311103321319 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred three million, three hundred twenty-one thousand, three hundred nineteen".