320034031 has 4 divisors (see below), whose sum is σ = 322554112. Its totient is φ = 317513952.

The previous prime is 320033939. The next prime is 320034041. The reversal of 320034031 is 130430023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320034031 is a prime.

It is a super-2 number, since 2×320034031² = 204843561996217922, 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 = 320033996 and 320034014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320034041) 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, 1259850 + ... + 1260103.

It is an arithmetic number, because the mean of its divisors is an integer number (80638528).

Almost surely, 2^320034031 is an apocalyptic number.

320034031 is a deficient number, since it is larger than the sum of its proper divisors (2520081).

320034031 is a wasteful number, since it uses less digits than its factorization.

320034031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520080.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 320034031 is about 17889.4949900773. The cubic root of 320034031 is about 684.0146245576.

Adding to 320034031 its reverse (130430023), we get a palindrome (450464054).

The spelling of 320034031 in words is "three hundred twenty million, thirty-four thousand, thirty-one".