2231263399 has 4 divisors (see below), whose sum is σ = 2237089536. Its totient is φ = 2225437264.

The previous prime is 2231263361. The next prime is 2231263457. The reversal of 2231263399 is 9933621322.

2231263399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2231263399 - 2¹⁷ = 2231132327 is a prime.

It is a super-3 number, since 3×2231263399³ (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 (2231263999) 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, 2912494 + ... + 2913259.

It is an arithmetic number, because the mean of its divisors is an integer number (559272384).

Almost surely, 2^2231263399 is an apocalyptic number.

2231263399 is a deficient number, since it is larger than the sum of its proper divisors (5826137).

2231263399 is an equidigital number, since it uses as much as digits as its factorization.

2231263399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826136.

The product of its digits is 104976, while the sum is 40.

The square root of 2231263399 is about 47236.2508990711. The cubic root of 2231263399 is about 1306.7232362260.

The spelling of 2231263399 in words is "two billion, two hundred thirty-one million, two hundred sixty-three thousand, three hundred ninety-nine".