11232223031 has 4 divisors (see below), whose sum is σ = 11255287632. Its totient is φ = 11209158432.

The previous prime is 11232223021. The next prime is 11232223039. The reversal of 11232223031 is 13032223211.

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 11232223031 - 2²⁶ = 11165114167 is a prime.

It is a super-2 number, since 2×11232223031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11232222994 and 11232223012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232223039) 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, 11531570 + ... + 11532543.

It is an arithmetic number, because the mean of its divisors is an integer number (2813821908).

Almost surely, 2^11232223031 is an apocalyptic number.

11232223031 is a deficient number, since it is larger than the sum of its proper divisors (23064601).

11232223031 is an equidigital number, since it uses as much as digits as its factorization.

11232223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064600.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11232223031 its reverse (13032223211), we get a palindrome (24264446242).

The spelling of 11232223031 in words is "eleven billion, two hundred thirty-two million, two hundred twenty-three thousand, thirty-one".