233297131 has 2 divisors, whose sum is σ = 233297132. Its totient is φ = 233297130.

The previous prime is 233297117. The next prime is 233297179. The reversal of 233297131 is 131792332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233297131 - 2¹⁹ = 232772843 is a prime.

It is a super-2 number, since 2×233297131² = 108855102665662322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233297093 and 233297102.

It is not a weakly prime, because it can be changed into another prime (233297531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116648565 + 116648566.

It is an arithmetic number, because the mean of its divisors is an integer number (116648566).

Almost surely, 2^233297131 is an apocalyptic number.

233297131 is a deficient number, since it is larger than the sum of its proper divisors (1).

233297131 is an equidigital number, since it uses as much as digits as its factorization.

233297131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 233297131 is about 15274.0672710316. The cubic root of 233297131 is about 615.6064091580.

The spelling of 233297131 in words is "two hundred thirty-three million, two hundred ninety-seven thousand, one hundred thirty-one".