320113045 has 16 divisors (see below), whose sum is σ = 462119040. Its totient is φ = 207952704.

The previous prime is 320113033. The next prime is 320113051. The reversal of 320113045 is 540311023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320113045 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240022 + ... + 241351.

It is an arithmetic number, because the mean of its divisors is an integer number (28882440).

Almost surely, 2^320113045 is an apocalyptic number.

320113045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320113045 is a deficient number, since it is larger than the sum of its proper divisors (142005995).

320113045 is a wasteful number, since it uses less digits than its factorization.

320113045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481404.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 320113045 is about 17891.7032448004. The cubic root of 320113045 is about 684.0709126177.

Adding to 320113045 its reverse (540311023), we get a palindrome (860424068).

The spelling of 320113045 in words is "three hundred twenty million, one hundred thirteen thousand, forty-five".