312033442340 has 24 divisors (see below), whose sum is σ = 655281207672. Its totient is φ = 124811285760.

The previous prime is 312033442339. The next prime is 312033442381. The reversal of 312033442340 is 43244330213.

It can be written as a sum of positive squares in 4 ways, for example, as 97397671396 + 214635770944 = 312086^2 + 463288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759832 + ... + 1929008.

It is an arithmetic number, because the mean of its divisors is an integer number (27303383653).

Almost surely, 2^312033442340 is an apocalyptic number.

It is an amenable number.

312033442340 is an abundant number, since it is smaller than the sum of its proper divisors (343247765332).

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

312033442340 is a wasteful number, since it uses less digits than its factorization.

312033442340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261407 (or 261405 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 312033442340 its reverse (43244330213), we get a palindrome (355277772553).

The spelling of 312033442340 in words is "three hundred twelve billion, thirty-three million, four hundred forty-two thousand, three hundred forty".