312321235152 has 40 divisors (see below), whose sum is σ = 808936510464. Its totient is φ = 103835252224.

The previous prime is 312321235099. The next prime is 312321235159. The reversal of 312321235152 is 251532123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312321235159) 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, 8475993 + ... + 8512760.

Almost surely, 2^312321235152 is an apocalyptic number.

It is an amenable number.

312321235152 is an abundant number, since it is smaller than the sum of its proper divisors (496615275312).

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

312321235152 is a wasteful number, since it uses less digits than its factorization.

312321235152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16989147 (or 16989141 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

Adding to 312321235152 its reverse (251532123213), we get a palindrome (563853358365).

The spelling of 312321235152 in words is "three hundred twelve billion, three hundred twenty-one million, two hundred thirty-five thousand, one hundred fifty-two".