234531013 has 4 divisors (see below), whose sum is σ = 237499840. Its totient is φ = 231562188.

The previous prime is 234531007. The next prime is 234531019. The reversal of 234531013 is 310135432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (234531007) and next prime (234531019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234531013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234531019) 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, 1484295 + ... + 1484452.

It is an arithmetic number, because the mean of its divisors is an integer number (59374960).

Almost surely, 2^234531013 is an apocalyptic number.

It is an amenable number.

234531013 is a deficient number, since it is larger than the sum of its proper divisors (2968827).

234531013 is an equidigital number, since it uses as much as digits as its factorization.

234531013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968826.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 234531013 is about 15314.4054079811. The cubic root of 234531013 is about 616.6897922015.

Adding to 234531013 its reverse (310135432), we get a palindrome (544666445).

The spelling of 234531013 in words is "two hundred thirty-four million, five hundred thirty-one thousand, thirteen".