2223431031 has 4 divisors (see below), whose sum is σ = 2964574712. Its totient is φ = 1482287352.

The previous prime is 2223430987. The next prime is 2223431033. The reversal of 2223431031 is 1301343222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2223431031 - 2⁶ = 2223430967 is a prime.

It is a super-2 number, since 2×2223431031² = 9887291099227445922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223430989 and 2223431007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223431033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370571836 + ... + 370571841.

It is an arithmetic number, because the mean of its divisors is an integer number (741143678).

Almost surely, 2^2223431031 is an apocalyptic number.

2223431031 is a deficient number, since it is larger than the sum of its proper divisors (741143681).

2223431031 is an equidigital number, since it uses as much as digits as its factorization.

2223431031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741143680.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2223431031 is about 47153.2716892476. The cubic root of 2223431031 is about 1305.1924538174.

Adding to 2223431031 its reverse (1301343222), we get a palindrome (3524774253).

The spelling of 2223431031 in words is "two billion, two hundred twenty-three million, four hundred thirty-one thousand, thirty-one".