2231123530 has 16 divisors (see below), whose sum is σ = 4066859520. Its totient is φ = 881152272.

The previous prime is 2231123509. The next prime is 2231123551. The reversal of 2231123530 is 353211322.

2231123530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2231123509) and next prime (2231123551).

It is a super-3 number, since 3×2231123530³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411314 + ... + 1412893.

It is an arithmetic number, because the mean of its divisors is an integer number (254178720).

Almost surely, 2^2231123530 is an apocalyptic number.

2231123530 is a deficient number, since it is larger than the sum of its proper divisors (1835735990).

2231123530 is a wasteful number, since it uses less digits than its factorization.

2231123530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824293.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2231123530 is about 47234.7703498175. The cubic root of 2231123530 is about 1306.6959312335.

Adding to 2231123530 its reverse (353211322), we get a palindrome (2584334852).

The spelling of 2231123530 in words is "two billion, two hundred thirty-one million, one hundred twenty-three thousand, five hundred thirty".