2291793131 has 8 divisors (see below), whose sum is σ = 2302680960. Its totient is φ = 2280921088.

The previous prime is 2291793067. The next prime is 2291793139. The reversal of 2291793131 is 1313971922.

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

It is a cyclic number.

It is not a de Polignac number, because 2291793131 - 2⁶ = 2291793067 is a prime.

It is a super-2 number, since 2×2291793131² = 10504631510597566322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2291793139) 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, 366725 + ... + 372921.

It is an arithmetic number, because the mean of its divisors is an integer number (287835120).

Almost surely, 2^2291793131 is an apocalyptic number.

2291793131 is a deficient number, since it is larger than the sum of its proper divisors (10887829).

2291793131 is a wasteful number, since it uses less digits than its factorization.

2291793131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893.

The product of its digits is 20412, while the sum is 38.

The square root of 2291793131 is about 47872.6762464770. The cubic root of 2291793131 is about 1318.4342337020.

The spelling of 2291793131 in words is "two billion, two hundred ninety-one million, seven hundred ninety-three thousand, one hundred thirty-one".