312630065420 has 48 divisors (see below), whose sum is σ = 707166609408. Its totient is φ = 115756428480.

The previous prime is 312630065413. The next prime is 312630065431. The reversal of 312630065420 is 24560036213.

It is a super-3 number, since 3×312630065420³ (a number of 35 digits) contains 333 as substring.

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, 10947524 + ... + 10976043.

It is an arithmetic number, because the mean of its divisors is an integer number (14732637696).

Almost surely, 2^312630065420 is an apocalyptic number.

It is an amenable number.

312630065420 is an abundant number, since it is smaller than the sum of its proper divisors (394536543988).

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

312630065420 is a wasteful number, since it uses less digits than its factorization.

312630065420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21923630 (or 21923628 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 312630065420 in words is "three hundred twelve billion, six hundred thirty million, sixty-five thousand, four hundred twenty".