235234152431 has 4 divisors (see below), whose sum is σ = 235875117792. Its totient is φ = 234593187072.

The previous prime is 235234152403. The next prime is 235234152463. The reversal of 235234152431 is 134251432532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235234152431 is a prime.

It is a super-2 number, since 2×235234152431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235234152391 and 235234152400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255234152431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320482130 + ... + 320482863.

It is an arithmetic number, because the mean of its divisors is an integer number (58968779448).

Almost surely, 2^235234152431 is an apocalyptic number.

235234152431 is a deficient number, since it is larger than the sum of its proper divisors (640965361).

235234152431 is an equidigital number, since it uses as much as digits as its factorization.

235234152431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640965360.

The product of its digits is 86400, while the sum is 35.

Adding to 235234152431 its reverse (134251432532), we get a palindrome (369485584963).

The spelling of 235234152431 in words is "two hundred thirty-five billion, two hundred thirty-four million, one hundred fifty-two thousand, four hundred thirty-one".