2231343403 has 2 divisors, whose sum is σ = 2231343404. Its totient is φ = 2231343402.

The previous prime is 2231343383. The next prime is 2231343421. The reversal of 2231343403 is 3043431322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231343403 - 2⁵ = 2231343371 is a prime.

It is a super-3 number, since 3×2231343403³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231383403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115671701 + 1115671702.

It is an arithmetic number, because the mean of its divisors is an integer number (1115671702).

Almost surely, 2^2231343403 is an apocalyptic number.

2231343403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231343403 is an equidigital number, since it uses as much as digits as its factorization.

2231343403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 2231343403 is about 47237.0977410763. The cubic root of 2231343403 is about 1306.7388539603.

Adding to 2231343403 its reverse (3043431322), we get a palindrome (5274774725).

The spelling of 2231343403 in words is "two billion, two hundred thirty-one million, three hundred forty-three thousand, four hundred three".