2231431193 has 4 divisors (see below), whose sum is σ = 2348874960. Its totient is φ = 2113987428.

The previous prime is 2231431177. The next prime is 2231431211. The reversal of 2231431193 is 3911341322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2231431193 - 2⁴ = 2231431177 is a prime.

It is a super-3 number, since 3×2231431193³ (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 (2231431093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58721855 + ... + 58721892.

It is an arithmetic number, because the mean of its divisors is an integer number (587218740).

Almost surely, 2^2231431193 is an apocalyptic number.

It is an amenable number.

2231431193 is a deficient number, since it is larger than the sum of its proper divisors (117443767).

2231431193 is a wasteful number, since it uses less digits than its factorization.

2231431193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117443766.

The product of its digits is 3888, while the sum is 29.

The square root of 2231431193 is about 47238.0269803894. The cubic root of 2231431193 is about 1306.7559911849.

The spelling of 2231431193 in words is "two billion, two hundred thirty-one million, four hundred thirty-one thousand, one hundred ninety-three".