131230331333 has 4 divisors (see below), whose sum is σ = 131254697280. Its totient is φ = 131205965388.

The previous prime is 131230331303. The next prime is 131230331357. The reversal of 131230331333 is 333133032131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131230331333 - 2⁶ = 131230331269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131230331303) 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, 12174893 + ... + 12185666.

It is an arithmetic number, because the mean of its divisors is an integer number (32813674320).

Almost surely, 2^131230331333 is an apocalyptic number.

It is an amenable number.

131230331333 is a deficient number, since it is larger than the sum of its proper divisors (24365947).

131230331333 is an equidigital number, since it uses as much as digits as its factorization.

131230331333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24365946.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 131230331333 its reverse (333133032131), we get a palindrome (464363363464).

The spelling of 131230331333 in words is "one hundred thirty-one billion, two hundred thirty million, three hundred thirty-one thousand, three hundred thirty-three".