2075309931 has 4 divisors (see below), whose sum is σ = 2767079912. Its totient is φ = 1383539952.

The previous prime is 2075309891. The next prime is 2075309947. The reversal of 2075309931 is 1399035702.

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

It is a de Polignac number, because none of the positive numbers 2^k-2075309931 is a prime.

It is a super-2 number, since 2×2075309931² = 8613822619414449522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2075309931.

It is not an unprimeable number, because it can be changed into a prime (2075307931) 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, 345884986 + ... + 345884991.

It is an arithmetic number, because the mean of its divisors is an integer number (691769978).

Almost surely, 2^2075309931 is an apocalyptic number.

2075309931 is a deficient number, since it is larger than the sum of its proper divisors (691769981).

2075309931 is an equidigital number, since it uses as much as digits as its factorization.

2075309931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691769980.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 2075309931 is about 45555.5697033853. The cubic root of 2075309931 is about 1275.5407023081.

The spelling of 2075309931 in words is "two billion, seventy-five million, three hundred nine thousand, nine hundred thirty-one".