131331342311 has 32 divisors (see below), whose sum is σ = 145976306112. Its totient is φ = 117382487040.

The previous prime is 131331342301. The next prime is 131331342353. The reversal of 131331342311 is 113243133131.

It is a happy number.

It is not a de Polignac number, because 131331342311 - 2¹⁰ = 131331341287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331342301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81419741 + ... + 81421353.

It is an arithmetic number, because the mean of its divisors is an integer number (4561759566).

Almost surely, 2^131331342311 is an apocalyptic number.

131331342311 is a deficient number, since it is larger than the sum of its proper divisors (14644963801).

131331342311 is a wasteful number, since it uses less digits than its factorization.

131331342311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723.

The product of its digits is 1944, while the sum is 26.

Adding to 131331342311 its reverse (113243133131), we get a palindrome (244574475442).

The spelling of 131331342311 in words is "one hundred thirty-one billion, three hundred thirty-one million, three hundred forty-two thousand, three hundred eleven".