312442313320 has 32 divisors (see below), whose sum is σ = 739994954400. Its totient is φ = 118399192128.

The previous prime is 312442313279. The next prime is 312442313321. The reversal of 312442313320 is 23313244213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312442313321) 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, 205553394 + ... + 205554913.

It is an arithmetic number, because the mean of its divisors is an integer number (23124842325).

Almost surely, 2^312442313320 is an apocalyptic number.

It is an amenable number.

312442313320 is an abundant number, since it is smaller than the sum of its proper divisors (427552641080).

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

312442313320 is a wasteful number, since it uses less digits than its factorization.

312442313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411108337 (or 411108333 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 312442313320 its reverse (23313244213), we get a palindrome (335755557533).

The spelling of 312442313320 in words is "three hundred twelve billion, four hundred forty-two million, three hundred thirteen thousand, three hundred twenty".