235031045257 has 2 divisors, whose sum is σ = 235031045258. Its totient is φ = 235031045256.

The previous prime is 235031045201. The next prime is 235031045261. The reversal of 235031045257 is 752540130532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186696583056 + 48334462201 = 432084^2 + 219851^2 .

It is a cyclic number.

It is not a de Polignac number, because 235031045257 - 2³¹ = 232883561609 is a prime.

It is not a weakly prime, because it can be changed into another prime (235031045857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117515522628 + 117515522629.

It is an arithmetic number, because the mean of its divisors is an integer number (117515522629).

Almost surely, 2^235031045257 is an apocalyptic number.

It is an amenable number.

235031045257 is a deficient number, since it is larger than the sum of its proper divisors (1).

235031045257 is an equidigital number, since it uses as much as digits as its factorization.

235031045257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 37.

Adding to 235031045257 its reverse (752540130532), we get a palindrome (987571175789).

The spelling of 235031045257 in words is "two hundred thirty-five billion, thirty-one million, forty-five thousand, two hundred fifty-seven".