131331320311 has 8 divisors (see below), whose sum is σ = 139091467680. Its totient is φ = 123575036928.

The previous prime is 131331320227. The next prime is 131331320321. The reversal of 131331320311 is 113023133131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131331320311 - 2¹⁵ = 131331287543 is a prime.

It is a super-2 number, since 2×131331320311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331320321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895866 + ... + 1032103.

It is an arithmetic number, because the mean of its divisors is an integer number (17386433460).

Almost surely, 2^131331320311 is an apocalyptic number.

131331320311 is a deficient number, since it is larger than the sum of its proper divisors (7760147369).

131331320311 is a wasteful number, since it uses less digits than its factorization.

131331320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931993.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131331320311 its reverse (113023133131), we get a palindrome (244354453442).

The spelling of 131331320311 in words is "one hundred thirty-one billion, three hundred thirty-one million, three hundred twenty thousand, three hundred eleven".