2193039931 has 2 divisors, whose sum is σ = 2193039932. Its totient is φ = 2193039930.

The previous prime is 2193039917. The next prime is 2193039973. The reversal of 2193039931 is 1399303912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2193039931 - 2¹⁵ = 2193007163 is a prime.

It is a super-2 number, since 2×2193039931² = 9618848277920969522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2193039911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096519965 + 1096519966.

It is an arithmetic number, because the mean of its divisors is an integer number (1096519966).

Almost surely, 2^2193039931 is an apocalyptic number.

2193039931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193039931 is an equidigital number, since it uses as much as digits as its factorization.

2193039931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 2193039931 is about 46829.9042386379. The cubic root of 2193039931 is about 1299.2184515359.

The spelling of 2193039931 in words is "two billion, one hundred ninety-three million, thirty-nine thousand, nine hundred thirty-one".