304142312399 has 4 divisors (see below), whose sum is σ = 304143876336. Its totient is φ = 304140748464.

The previous prime is 304142312381. The next prime is 304142312401. The reversal of 304142312399 is 993213241403.

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 304142312399 - 2¹² = 304142308303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304142312329) 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, 440579 + ... + 895764.

It is an arithmetic number, because the mean of its divisors is an integer number (76035969084).

Almost surely, 2^304142312399 is an apocalyptic number.

304142312399 is a deficient number, since it is larger than the sum of its proper divisors (1563937).

304142312399 is a wasteful number, since it uses less digits than its factorization.

304142312399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563936.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 304142312399 in words is "three hundred four billion, one hundred forty-two million, three hundred twelve thousand, three hundred ninety-nine".