234070531 has 4 divisors (see below), whose sum is σ = 234133200. Its totient is φ = 234007864.

The previous prime is 234070511. The next prime is 234070561. The reversal of 234070531 is 135070432.

234070531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 234070531 - 2²³ = 225681923 is a prime.

It is a super-2 number, since 2×234070531² = 109578026965243922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234070496 and 234070505.

It is not an unprimeable number, because it can be changed into a prime (234070511) 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, 25351 + ... + 33328.

It is an arithmetic number, because the mean of its divisors is an integer number (58533300).

Almost surely, 2^234070531 is an apocalyptic number.

234070531 is a deficient number, since it is larger than the sum of its proper divisors (62669).

234070531 is an equidigital number, since it uses as much as digits as its factorization.

234070531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62668.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 234070531 is about 15299.3637449405. The cubic root of 234070531 is about 616.2859215127.

Subtracting from 234070531 its reverse (135070432), we obtain a palindrome (99000099).

The spelling of 234070531 in words is "two hundred thirty-four million, seventy thousand, five hundred thirty-one".