320052113 has 4 divisors (see below), whose sum is σ = 320694000. Its totient is φ = 319410228.

The previous prime is 320052101. The next prime is 320052119. The reversal of 320052113 is 311250023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311250023 = 7 ⋅44464289.

It is a cyclic number.

It is not a de Polignac number, because 320052113 - 2¹² = 320048017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320052091 and 320052100.

It is not an unprimeable number, because it can be changed into a prime (320052119) 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, 320195 + ... + 321192.

It is an arithmetic number, because the mean of its divisors is an integer number (80173500).

Almost surely, 2^320052113 is an apocalyptic number.

It is an amenable number.

320052113 is a deficient number, since it is larger than the sum of its proper divisors (641887).

320052113 is an equidigital number, since it uses as much as digits as its factorization.

320052113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641886.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 320052113 is about 17890.0003633315. Note that the first 3 decimals coincide. The cubic root of 320052113 is about 684.0275066455.

The spelling of 320052113 in words is "three hundred twenty million, fifty-two thousand, one hundred thirteen".