306372113 has 4 divisors (see below), whose sum is σ = 324394020. Its totient is φ = 288350208.

The previous prime is 306372107. The next prime is 306372127. The reversal of 306372113 is 311273603.

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

It can be written as a sum of positive squares in 2 ways, for example, as 186950929 + 119421184 = 13673^2 + 10928^2 .

It is a cyclic number.

It is not a de Polignac number, because 306372113 - 2⁴ = 306372097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (306372103) 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, 9010928 + ... + 9010961.

It is an arithmetic number, because the mean of its divisors is an integer number (81098505).

Almost surely, 2^306372113 is an apocalyptic number.

It is an amenable number.

306372113 is a deficient number, since it is larger than the sum of its proper divisors (18021907).

306372113 is a wasteful number, since it uses less digits than its factorization.

306372113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18021906.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 306372113 is about 17503.4885951344. The cubic root of 306372113 is about 674.1394524294.

The spelling of 306372113 in words is "three hundred six million, three hundred seventy-two thousand, one hundred thirteen".