231245220253244 has 6 divisors (see below), whose sum is σ = 404679135443184. Its totient is φ = 115622610126620.

The previous prime is 231245220253241. The next prime is 231245220253247. The reversal of 231245220253244 is 442352022542132.

231245220253244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231245220253241) and next prime (231245220253247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231245220253241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28905652531652 + ... + 28905652531659.

It is an arithmetic number, because the mean of its divisors is an integer number (67446522573864).

Almost surely, 2^{231245220253244} is an apocalyptic number.

It is an amenable number.

231245220253244 is a deficient number, since it is larger than the sum of its proper divisors (173433915189940).

231245220253244 is a wasteful number, since it uses less digits than its factorization.

231245220253244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57811305063315 (or 57811305063313 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 231245220253244 its reverse (442352022542132), we get a palindrome (673597242795376).

The spelling of 231245220253244 in words is "two hundred thirty-one trillion, two hundred forty-five billion, two hundred twenty million, two hundred fifty-three thousand, two hundred forty-four".