2430121013 has 4 divisors (see below), whose sum is σ = 2446430700. Its totient is φ = 2413811328.

The previous prime is 2430121009. The next prime is 2430121037. The reversal of 2430121013 is 3101210342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3101210342 = 2 ⋅1550605171.

It can be written as a sum of positive squares in 2 ways, for example, as 195384484 + 2234736529 = 13978^2 + 47273^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430121013 - 2² = 2430121009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2430120982 and 2430121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430121063) 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, 8154620 + ... + 8154917.

It is an arithmetic number, because the mean of its divisors is an integer number (611607675).

Almost surely, 2^2430121013 is an apocalyptic number.

It is an amenable number.

2430121013 is a deficient number, since it is larger than the sum of its proper divisors (16309687).

2430121013 is a wasteful number, since it uses less digits than its factorization.

2430121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16309686.

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

The square root of 2430121013 is about 49296.2575962922. The cubic root of 2430121013 is about 1344.4437408079.

Adding to 2430121013 its reverse (3101210342), we get a palindrome (5531331355).

The spelling of 2430121013 in words is "two billion, four hundred thirty million, one hundred twenty-one thousand, thirteen".