231304533253222 has 96 divisors (see below), whose sum is σ = 421235914682880. Its totient is φ = 94392168773760.

The previous prime is 231304533253207. The next prime is 231304533253237. The reversal of 231304533253222 is 222352335403132.

It is an interprime number because it is at equal distance from previous prime (231304533253207) and next prime (231304533253237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13802548 + ... + 25556200.

It is an arithmetic number, because the mean of its divisors is an integer number (4387874111280).

Almost surely, 2^{231304533253222} is an apocalyptic number.

231304533253222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231304533253222 is a deficient number, since it is larger than the sum of its proper divisors (189931381429658).

231304533253222 is a wasteful number, since it uses less digits than its factorization.

231304533253222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753838 (or 11753825 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 231304533253222 its reverse (222352335403132), we get a palindrome (453656868656354).

The spelling of 231304533253222 in words is "two hundred thirty-one trillion, three hundred four billion, five hundred thirty-three million, two hundred fifty-three thousand, two hundred twenty-two".