312133043352 has 128 divisors (see below), whose sum is σ = 891251847360. Its totient is φ = 90243072000.

The previous prime is 312133043351. The next prime is 312133043359. The reversal of 312133043352 is 253340331213.

It is a super-2 number, since 2×312133043352² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312133043351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3203352 + ... + 3299352.

Almost surely, 2^312133043352 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 312133043352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445625923680).

312133043352 is an abundant number, since it is smaller than the sum of its proper divisors (579118804008).

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

312133043352 is a wasteful number, since it uses less digits than its factorization.

312133043352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96653 (or 96649 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 312133043352 its reverse (253340331213), we get a palindrome (565473374565).

The spelling of 312133043352 in words is "three hundred twelve billion, one hundred thirty-three million, forty-three thousand, three hundred fifty-two".