131330233331 has 8 divisors (see below), whose sum is σ = 151696954224. Its totient is φ = 112368113920.

The previous prime is 131330233291. The next prime is 131330233337. The reversal of 131330233331 is 133332033131.

It is a happy number.

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 131330233331 - 2⁶ = 131330233267 is a prime.

It is a super-2 number, since 2×131330233331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131330233331.

It is not an unprimeable number, because it can be changed into a prime (131330233337) 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, 351150170 + ... + 351150543.

It is an arithmetic number, because the mean of its divisors is an integer number (18962119278).

Almost surely, 2^131330233331 is an apocalyptic number.

131330233331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131330233331 is a deficient number, since it is larger than the sum of its proper divisors (20366720893).

131330233331 is a wasteful number, since it uses less digits than its factorization.

131330233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702300741.

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

Adding to 131330233331 its reverse (133332033131), we get a palindrome (264662266462).

The spelling of 131330233331 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred thirty-three thousand, three hundred thirty-one".