131310320233 has 32 divisors (see below), whose sum is σ = 139708800000. Its totient is φ = 123236128512.

The previous prime is 131310320227. The next prime is 131310320263. The reversal of 131310320233 is 332023013131.

It is a cyclic number.

It is not a de Polignac number, because 131310320233 - 2²⁵ = 131276765801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131310320203) 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, 39090408 + ... + 39093766.

It is an arithmetic number, because the mean of its divisors is an integer number (4365900000).

Almost surely, 2^131310320233 is an apocalyptic number.

It is an amenable number.

131310320233 is a deficient number, since it is larger than the sum of its proper divisors (8398479767).

131310320233 is a wasteful number, since it uses less digits than its factorization.

131310320233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131310320233 its reverse (332023013131), we get a palindrome (463333333364).

The spelling of 131310320233 in words is "one hundred thirty-one billion, three hundred ten million, three hundred twenty thousand, two hundred thirty-three".