131120002331 has 2 divisors, whose sum is σ = 131120002332. Its totient is φ = 131120002330.

The previous prime is 131120002313. The next prime is 131120002373. The reversal of 131120002331 is 133200021131.

Together with previous prime (131120002313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131120002331 - 2⁶ = 131120002267 is a prime.

It is a super-2 number, since 2×131120002331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131120002631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560001165 + 65560001166.

It is an arithmetic number, because the mean of its divisors is an integer number (65560001166).

Almost surely, 2^131120002331 is an apocalyptic number.

131120002331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131120002331 is an equidigital number, since it uses as much as digits as its factorization.

131120002331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131120002331 its reverse (133200021131), we get a palindrome (264320023462).

The spelling of 131120002331 in words is "one hundred thirty-one billion, one hundred twenty million, two thousand, three hundred thirty-one".