320453031 has 8 divisors (see below), whose sum is σ = 449758720. Its totient is φ = 202391352.

The previous prime is 320453017. The next prime is 320453087. The reversal of 320453031 is 130354023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320453031 - 2¹⁰ = 320452007 is a prime.

It is a super-2 number, since 2×320453031² = 205380290154173922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320452989 and 320453007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320453011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810935 + ... + 2811048.

It is an arithmetic number, because the mean of its divisors is an integer number (56219840).

Almost surely, 2^320453031 is an apocalyptic number.

320453031 is a deficient number, since it is larger than the sum of its proper divisors (129305689).

320453031 is a wasteful number, since it uses less digits than its factorization.

320453031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622005.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 320453031 is about 17901.2019428864. The cubic root of 320453031 is about 684.3130065152.

The spelling of 320453031 in words is "three hundred twenty million, four hundred fifty-three thousand, thirty-one".