312113202232 has 64 divisors (see below), whose sum is σ = 642334250880. Its totient is φ = 141287058432.

The previous prime is 312113202229. The next prime is 312113202239. The reversal of 312113202232 is 232202311213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312113202239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20535628 + ... + 20550820.

It is an arithmetic number, because the mean of its divisors is an integer number (10036472670).

Almost surely, 2^312113202232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312113202232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321167125440).

312113202232 is an abundant number, since it is smaller than the sum of its proper divisors (330221048648).

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

312113202232 is a wasteful number, since it uses less digits than its factorization.

312113202232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18992 (or 18988 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312113202232 its reverse (232202311213), we get a palindrome (544315513445).

The spelling of 312113202232 in words is "three hundred twelve billion, one hundred thirteen million, two hundred two thousand, two hundred thirty-two".