2231240453 has 4 divisors (see below), whose sum is σ = 2402874348. Its totient is φ = 2059606560.

The previous prime is 2231240437. The next prime is 2231240467. The reversal of 2231240453 is 3540421322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 672727969 + 1558512484 = 25937^2 + 39478^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231240453 - 2⁴ = 2231240437 is a prime.

It is a super-3 number, since 3×2231240453³ (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 (2231240953) 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, 85816928 + ... + 85816953.

It is an arithmetic number, because the mean of its divisors is an integer number (600718587).

Almost surely, 2^2231240453 is an apocalyptic number.

It is an amenable number.

2231240453 is a deficient number, since it is larger than the sum of its proper divisors (171633895).

2231240453 is a wasteful number, since it uses less digits than its factorization.

2231240453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171633894.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2231240453 is about 47236.0080129555. The cubic root of 2231240453 is about 1306.7187568245.

Adding to 2231240453 its reverse (3540421322), we get a palindrome (5771661775).

The spelling of 2231240453 in words is "two billion, two hundred thirty-one million, two hundred forty thousand, four hundred fifty-three".