235230616531 has 2 divisors, whose sum is σ = 235230616532. Its totient is φ = 235230616530.

The previous prime is 235230616477. The next prime is 235230616567. The reversal of 235230616531 is 135616032532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235230616531 - 2³¹ = 233083132883 is a prime.

It is a super-2 number, since 2×235230616531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (235237616531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117615308265 + 117615308266.

It is an arithmetic number, because the mean of its divisors is an integer number (117615308266).

Almost surely, 2^235230616531 is an apocalyptic number.

235230616531 is a deficient number, since it is larger than the sum of its proper divisors (1).

235230616531 is an equidigital number, since it uses as much as digits as its factorization.

235230616531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 235230616531 in words is "two hundred thirty-five billion, two hundred thirty million, six hundred sixteen thousand, five hundred thirty-one".