312145066802 has 8 divisors (see below), whose sum is σ = 468885530412. Its totient is φ = 155849890000.

The previous prime is 312145066801. The next prime is 312145066819. The reversal of 312145066802 is 208660541213.

It can be written as a sum of positive squares in 2 ways, for example, as 299393914561 + 12751152241 = 547169^2 + 112921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (312145066801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111319949 + ... + 111322752.

Almost surely, 2^312145066802 is an apocalyptic number.

312145066802 is a deficient number, since it is larger than the sum of its proper divisors (156740463610).

312145066802 is a wasteful number, since it uses less digits than its factorization.

312145066802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222643404.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 312145066802 in words is "three hundred twelve billion, one hundred forty-five million, sixty-six thousand, eight hundred two".