2331774091 has 2 divisors, whose sum is σ = 2331774092. Its totient is φ = 2331774090.

The previous prime is 2331774079. The next prime is 2331774139. The reversal of 2331774091 is 1904771332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2331774091 - 2⁵ = 2331774059 is a prime.

It is a super-2 number, since 2×2331774091² = 10874340822917752562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2331774091.

It is not a weakly prime, because it can be changed into another prime (2331774041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165887045 + 1165887046.

It is an arithmetic number, because the mean of its divisors is an integer number (1165887046).

Almost surely, 2^2331774091 is an apocalyptic number.

2331774091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331774091 is an equidigital number, since it uses as much as digits as its factorization.

2331774091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 2331774091 is about 48288.4467652460. The cubic root of 2331774091 is about 1326.0568932529.

The spelling of 2331774091 in words is "two billion, three hundred thirty-one million, seven hundred seventy-four thousand, ninety-one".