2331357121 has 8 divisors (see below), whose sum is σ = 2390851584. Its totient is φ = 2272274880.

The previous prime is 2331357107. The next prime is 2331357137. The reversal of 2331357121 is 1217531332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2331357121 - 2⁹ = 2331356609 is a prime.

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 2331357121.

It is not an unprimeable number, because it can be changed into a prime (2331357181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91585 + ... + 114238.

It is an arithmetic number, because the mean of its divisors is an integer number (298856448).

Almost surely, 2^2331357121 is an apocalyptic number.

It is an amenable number.

2331357121 is a deficient number, since it is larger than the sum of its proper divisors (59494463).

2331357121 is a wasteful number, since it uses less digits than its factorization.

2331357121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206111.

The product of its digits is 3780, while the sum is 28.

The square root of 2331357121 is about 48284.1290798540. The cubic root of 2331357121 is about 1325.9778463009.

Adding to 2331357121 its reverse (1217531332), we get a palindrome (3548888453).

The spelling of 2331357121 in words is "two billion, three hundred thirty-one million, three hundred fifty-seven thousand, one hundred twenty-one".