231032233131312 has 40 divisors (see below), whose sum is σ = 597020305754880. Its totient is φ = 76986610592320.

The previous prime is 231032233131307. The next prime is 231032233131317. The reversal of 231032233131312 is 213131332230132.

It is an interprime number because it is at equal distance from previous prime (231032233131307) and next prime (231032233131317).

It is a self number, because there is not a number n which added to its sum of digits gives 231032233131312.

It is not an unprimeable number, because it can be changed into a prime (231032233131317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754026012 + ... + 754332347.

It is an arithmetic number, because the mean of its divisors is an integer number (14925507643872).

Almost surely, 2^{231032233131312} is an apocalyptic number.

It is an amenable number.

231032233131312 is an abundant number, since it is smaller than the sum of its proper divisors (365988072623568).

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

231032233131312 is a wasteful number, since it uses less digits than its factorization.

231032233131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508361561 (or 1508361555 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 231032233131312 its reverse (213131332230132), we get a palindrome (444163565361444).

The spelling of 231032233131312 in words is "two hundred thirty-one trillion, thirty-two billion, two hundred thirty-three million, one hundred thirty-one thousand, three hundred twelve".