230131223312 has 20 divisors (see below), whose sum is σ = 469346574480. Its totient is φ = 109009526688.

The previous prime is 230131223281. The next prime is 230131223317. The reversal of 230131223312 is 213322131032.

It is a super-2 number, since 2×230131223312² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230131223317) 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, 378504998 + ... + 378505605.

It is an arithmetic number, because the mean of its divisors is an integer number (23467328724).

Almost surely, 2^230131223312 is an apocalyptic number.

It is an amenable number.

230131223312 is an abundant number, since it is smaller than the sum of its proper divisors (239215351168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230131223312 is a wasteful number, since it uses less digits than its factorization.

230131223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757010630 (or 757010624 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 230131223312 its reverse (213322131032), we get a palindrome (443453354344).

The spelling of 230131223312 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred twelve".