2232031121 has 4 divisors (see below), whose sum is σ = 2233490544. Its totient is φ = 2230571700.

The previous prime is 2232031117. The next prime is 2232031147. The reversal of 2232031121 is 1211302322.

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 a cyclic number.

It is not a de Polignac number, because 2232031121 - 2² = 2232031117 is a prime.

It is a super-3 number, since 3×2232031121³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 2232031121.

It is not an unprimeable number, because it can be changed into a prime (2232031171) 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, 727415 + ... + 730476.

It is an arithmetic number, because the mean of its divisors is an integer number (558372636).

Almost surely, 2^2232031121 is an apocalyptic number.

It is an amenable number.

2232031121 is a deficient number, since it is larger than the sum of its proper divisors (1459423).

2232031121 is a wasteful number, since it uses less digits than its factorization.

2232031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459422.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2232031121 is about 47244.3766071688. The cubic root of 2232031121 is about 1306.8730893153.

Adding to 2232031121 its reverse (1211302322), we get a palindrome (3443333443).

The spelling of 2232031121 in words is "two billion, two hundred thirty-two million, thirty-one thousand, one hundred twenty-one".