2231398093 has 8 divisors (see below), whose sum is σ = 2240288280. Its totient is φ = 2222525760.

The previous prime is 2231398079. The next prime is 2231398111. The reversal of 2231398093 is 3908931322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72216004 + 2159182089 = 8498^2 + 46467^2 .

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 2231398093 - 2¹⁷ = 2231267021 is a prime.

It is a super-3 number, since 3×2231398093³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231398003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281103 + ... + 288931.

It is an arithmetic number, because the mean of its divisors is an integer number (280036035).

Almost surely, 2^2231398093 is an apocalyptic number.

It is an amenable number.

2231398093 is a deficient number, since it is larger than the sum of its proper divisors (8890187).

2231398093 is an equidigital number, since it uses as much as digits as its factorization.

2231398093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 2231398093 is about 47237.6766257613. The cubic root of 2231398093 is about 1306.7495298852.

The spelling of 2231398093 in words is "two billion, two hundred thirty-one million, three hundred ninety-eight thousand, ninety-three".