2231030091 has 8 divisors (see below), whose sum is σ = 2974935184. Its totient is φ = 1487239200.

The previous prime is 2231030083. The next prime is 2231030101. The reversal of 2231030091 is 1900301322.

It is a happy number.

2231030091 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2231030091 - 2³ = 2231030083 is a prime.

It is a super-3 number, since 3×2231030091³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231032091) 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, 41805 + ... + 78801.

It is an arithmetic number, because the mean of its divisors is an integer number (371866898).

Almost surely, 2^2231030091 is an apocalyptic number.

2231030091 is a deficient number, since it is larger than the sum of its proper divisors (743905093).

2231030091 is a wasteful number, since it uses less digits than its factorization.

2231030091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57101.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2231030091 is about 47233.7812481703. The cubic root of 2231030091 is about 1306.6776895922.

The spelling of 2231030091 in words is "two billion, two hundred thirty-one million, thirty thousand, ninety-one".