233150531 has 2 divisors, whose sum is σ = 233150532. Its totient is φ = 233150530.

The previous prime is 233150513. The next prime is 233150587. The reversal of 233150531 is 135051332.

233150531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (233150513) 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 233150531 - 2¹⁰ = 233149507 is a prime.

It is a super-2 number, since 2×233150531² = 108718340211163922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233150497 and 233150506.

It is not a weakly prime, because it can be changed into another prime (233150591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116575265 + 116575266.

It is an arithmetic number, because the mean of its divisors is an integer number (116575266).

Almost surely, 2^233150531 is an apocalyptic number.

233150531 is a deficient number, since it is larger than the sum of its proper divisors (1).

233150531 is an equidigital number, since it uses as much as digits as its factorization.

233150531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 233150531 is about 15269.2675331857. The cubic root of 233150531 is about 615.4774365624.

The spelling of 233150531 in words is "two hundred thirty-three million, one hundred fifty thousand, five hundred thirty-one".