312032313330 has 64 divisors (see below), whose sum is σ = 765933262848. Its totient is φ = 81318733760.

The previous prime is 312032313301. The next prime is 312032313391. The reversal of 312032313330 is 33313230213.

It is a self number, because there is not a number n which added to its sum of digits gives 312032313330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 801025 + ... + 1125035.

It is an arithmetic number, because the mean of its divisors is an integer number (11967707232).

Almost surely, 2^312032313330 is an apocalyptic number.

312032313330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 312032313330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382966631424).

312032313330 is an abundant number, since it is smaller than the sum of its proper divisors (453900949518).

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

312032313330 is a wasteful number, since it uses less digits than its factorization.

312032313330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324751.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 312032313330 its reverse (33313230213), we get a palindrome (345345543543).

The spelling of 312032313330 in words is "three hundred twelve billion, thirty-two million, three hundred thirteen thousand, three hundred thirty".