11303552231 has 4 divisors (see below), whose sum is σ = 11462757264. Its totient is φ = 11144347200.

The previous prime is 11303552209. The next prime is 11303552237. The reversal of 11303552231 is 13225530311.

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 11303552231 - 2⁶ = 11303552167 is a prime.

It is a super-2 number, since 2×11303552231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11303552231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303552237) 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, 79602410 + ... + 79602551.

It is an arithmetic number, because the mean of its divisors is an integer number (2865689316).

Almost surely, 2^11303552231 is an apocalyptic number.

11303552231 is a deficient number, since it is larger than the sum of its proper divisors (159205033).

11303552231 is an equidigital number, since it uses as much as digits as its factorization.

11303552231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159205032.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 11303552231 in words is "eleven billion, three hundred three million, five hundred fifty-two thousand, two hundred thirty-one".