312442862087 has 4 divisors (see below), whose sum is σ = 312779184720. Its totient is φ = 312106539456.

The previous prime is 312442862047. The next prime is 312442862089. The reversal of 312442862087 is 780268244213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312442862087 - 2¹⁴ = 312442845703 is a prime.

It is a super-3 number, since 3×312442862087³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312442862089) 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, 168159923 + ... + 168161780.

It is an arithmetic number, because the mean of its divisors is an integer number (78194796180).

Almost surely, 2^312442862087 is an apocalyptic number.

312442862087 is a deficient number, since it is larger than the sum of its proper divisors (336322633).

312442862087 is an equidigital number, since it uses as much as digits as its factorization.

312442862087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336322632.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 312442862087 in words is "three hundred twelve billion, four hundred forty-two million, eight hundred sixty-two thousand, eighty-seven".