312324451320 has 64 divisors (see below), whose sum is σ = 1070826693120. Its totient is φ = 71388445824.

The previous prime is 312324451297. The next prime is 312324451321. The reversal of 312324451320 is 23154423213.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312324451321) 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, 185906572 + ... + 185908251.

It is an arithmetic number, because the mean of its divisors is an integer number (16731667080).

Almost surely, 2^312324451320 is an apocalyptic number.

312324451320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312324451320 is an abundant number, since it is smaller than the sum of its proper divisors (758502241800).

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

312324451320 is a wasteful number, since it uses less digits than its factorization.

312324451320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371814844 (or 371814840 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 312324451320 its reverse (23154423213), we get a palindrome (335478874533).

The spelling of 312324451320 in words is "three hundred twelve billion, three hundred twenty-four million, four hundred fifty-one thousand, three hundred twenty".