131130233331 has 4 divisors (see below), whose sum is σ = 174840311112. Its totient is φ = 87420155552.

The previous prime is 131130233321. The next prime is 131130233341. The reversal of 131130233331 is 133332031131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (131130233321) and next prime (131130233341).

It is a cyclic number.

It is not a de Polignac number, because 131130233331 - 2¹¹ = 131130231283 is a prime.

It is a super-2 number, since 2×131130233331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131130233321) 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, 21855038886 + ... + 21855038891.

It is an arithmetic number, because the mean of its divisors is an integer number (43710077778).

Almost surely, 2^131130233331 is an apocalyptic number.

131130233331 is a deficient number, since it is larger than the sum of its proper divisors (43710077781).

131130233331 is an equidigital number, since it uses as much as digits as its factorization.

131130233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43710077780.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 131130233331 its reverse (133332031131), we get a palindrome (264462264462).

The spelling of 131130233331 in words is "one hundred thirty-one billion, one hundred thirty million, two hundred thirty-three thousand, three hundred thirty-one".