312003320044 has 48 divisors (see below), whose sum is σ = 590628720640. Its totient is φ = 143360124480.

The previous prime is 312003319981. The next prime is 312003320107. The reversal of 312003320044 is 440023300213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312003319981) and next prime (312003320107).

It is a junction number, because it is equal to n+sod(n) for n = 312003319997 and 312003320024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20045137 + ... + 20060695.

Almost surely, 2^312003320044 is an apocalyptic number.

It is an amenable number.

312003320044 is a deficient number, since it is larger than the sum of its proper divisors (278625400596).

312003320044 is a wasteful number, since it uses less digits than its factorization.

312003320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17270 (or 17268 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 312003320044 its reverse (440023300213), we get a palindrome (752026620257).

The spelling of 312003320044 in words is "three hundred twelve billion, three million, three hundred twenty thousand, forty-four".