131020313311 has 8 divisors (see below), whose sum is σ = 131711636240. Its totient is φ = 130329119232.

The previous prime is 131020313269. The next prime is 131020313339. The reversal of 131020313311 is 113313020131.

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 131020313311 - 2¹⁵ = 131020280543 is a prime.

It is a super-2 number, since 2×131020313311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020313381) 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, 2548981 + ... + 2599873.

It is an arithmetic number, because the mean of its divisors is an integer number (16463954530).

Almost surely, 2^131020313311 is an apocalyptic number.

131020313311 is a deficient number, since it is larger than the sum of its proper divisors (691322929).

131020313311 is a wasteful number, since it uses less digits than its factorization.

131020313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64425.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131020313311 its reverse (113313020131), we get a palindrome (244333333442).

The spelling of 131020313311 in words is "one hundred thirty-one billion, twenty million, three hundred thirteen thousand, three hundred eleven".