231302321412 has 12 divisors (see below), whose sum is σ = 539705416656. Its totient is φ = 77100773800.

The previous prime is 231302321381. The next prime is 231302321449. The reversal of 231302321412 is 214123203132.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9637596714 + ... + 9637596737.

It is an arithmetic number, because the mean of its divisors is an integer number (44975451388).

Almost surely, 2^231302321412 is an apocalyptic number.

It is an amenable number.

231302321412 is an abundant number, since it is smaller than the sum of its proper divisors (308403095244).

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

231302321412 is a wasteful number, since it uses less digits than its factorization.

231302321412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275193458 (or 19275193456 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231302321412 its reverse (214123203132), we get a palindrome (445425524544).

The spelling of 231302321412 in words is "two hundred thirty-one billion, three hundred two million, three hundred twenty-one thousand, four hundred twelve".