2340013121 has 4 divisors (see below), whose sum is σ = 2353086000. Its totient is φ = 2326940244.

The previous prime is 2340013099. The next prime is 2340013129. The reversal of 2340013121 is 1213100432.

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 2340013121 - 2⁶ = 2340013057 is a prime.

It is a super-2 number, since 2×2340013121² = 10951322812904321282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2340013121.

It is not an unprimeable number, because it can be changed into a prime (2340013129) 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, 6536171 + ... + 6536528.

It is an arithmetic number, because the mean of its divisors is an integer number (588271500).

Almost surely, 2^2340013121 is an apocalyptic number.

It is an amenable number.

2340013121 is a deficient number, since it is larger than the sum of its proper divisors (13072879).

2340013121 is a wasteful number, since it uses less digits than its factorization.

2340013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13072878.

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

The square root of 2340013121 is about 48373.6821112472. The cubic root of 2340013121 is about 1327.6168756857.

Adding to 2340013121 its reverse (1213100432), we get a palindrome (3553113553).

The spelling of 2340013121 in words is "two billion, three hundred forty million, thirteen thousand, one hundred twenty-one".