233120131 has 2 divisors, whose sum is σ = 233120132. Its totient is φ = 233120130.

The previous prime is 233120119. The next prime is 233120161. The reversal of 233120131 is 131021332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233120131 is a prime.

It is a super-2 number, since 2×233120131² = 108689990954914322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233120161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116560065 + 116560066.

It is an arithmetic number, because the mean of its divisors is an integer number (116560066).

Almost surely, 2^233120131 is an apocalyptic number.

233120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

233120131 is an equidigital number, since it uses as much as digits as its factorization.

233120131 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 16.

The square root of 233120131 is about 15268.2720371364. The cubic root of 233120131 is about 615.4506851366.

Adding to 233120131 its reverse (131021332), we get a palindrome (364141463).

The spelling of 233120131 in words is "two hundred thirty-three million, one hundred twenty thousand, one hundred thirty-one".