231403022412 has 24 divisors (see below), whose sum is σ = 539958683376. Its totient is φ = 77131726848.

The previous prime is 231403022407. The next prime is 231403022413. The reversal of 231403022412 is 214220304132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231403022413) 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, 60468 + ... + 682980.

It is an arithmetic number, because the mean of its divisors is an integer number (22498278474).

Almost surely, 2^231403022412 is an apocalyptic number.

It is an amenable number.

231403022412 is an abundant number, since it is smaller than the sum of its proper divisors (308555660964).

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

231403022412 is a wasteful number, since it uses less digits than its factorization.

231403022412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653497 (or 653495 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231403022412 its reverse (214220304132), we get a palindrome (445623326544).

The spelling of 231403022412 in words is "two hundred thirty-one billion, four hundred three million, twenty-two thousand, four hundred twelve".