312030002987 has 4 divisors (see below), whose sum is σ = 325596524880. Its totient is φ = 298463481096.

The previous prime is 312030002981. The next prime is 312030003013. The reversal of 312030002987 is 789200030213.

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 312030002987 - 2⁶ = 312030002923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312030002981) 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, 6783260912 + ... + 6783260957.

It is an arithmetic number, because the mean of its divisors is an integer number (81399131220).

Almost surely, 2^312030002987 is an apocalyptic number.

312030002987 is a deficient number, since it is larger than the sum of its proper divisors (13566521893).

312030002987 is a wasteful number, since it uses less digits than its factorization.

312030002987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566521892.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 312030002987 in words is "three hundred twelve billion, thirty million, two thousand, nine hundred eighty-seven".