2231401233 has 4 divisors (see below), whose sum is σ = 2975201648. Its totient is φ = 1487600820.

The previous prime is 2231401231. The next prime is 2231401243. The reversal of 2231401233 is 3321041322.

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 not a de Polignac number, because 2231401233 - 2¹ = 2231401231 is a prime.

It is a super-3 number, since 3×2231401233³ (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 (2231401231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371900203 + ... + 371900208.

It is an arithmetic number, because the mean of its divisors is an integer number (743800412).

Almost surely, 2^2231401233 is an apocalyptic number.

It is an amenable number.

2231401233 is a deficient number, since it is larger than the sum of its proper divisors (743800415).

2231401233 is an equidigital number, since it uses as much as digits as its factorization.

2231401233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743800414.

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

The square root of 2231401233 is about 47237.7098619313. The cubic root of 2231401233 is about 1306.7501428330.

Adding to 2231401233 its reverse (3321041322), we get a palindrome (5552442555).

The spelling of 2231401233 in words is "two billion, two hundred thirty-one million, four hundred one thousand, two hundred thirty-three".