308134872907 has 4 divisors (see below), whose sum is σ = 308136123880. Its totient is φ = 308133621936.

The previous prime is 308134872893. The next prime is 308134872973. The reversal of 308134872907 is 709278431803.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 308134872907 - 2¹⁹ = 308134348619 is a prime.

It is a pancake number, because a pancake can be divided into 308134872907 parts by 785028 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (308134872977) 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, 119658 + ... + 794095.

It is an arithmetic number, because the mean of its divisors is an integer number (77034030970).

It is a Poulet number, since it divides 2^308134872906-1.

Almost surely, 2^308134872907 is an apocalyptic number.

308134872907 is a deficient number, since it is larger than the sum of its proper divisors (1250973).

308134872907 is an equidigital number, since it uses as much as digits as its factorization.

308134872907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250972.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 308134872907 in words is "three hundred eight billion, one hundred thirty-four million, eight hundred seventy-two thousand, nine hundred seven".