3113002121 has 4 divisors (see below), whose sum is σ = 3188929044. Its totient is φ = 3037075200.

The previous prime is 3113002097. The next prime is 3113002147. The reversal of 3113002121 is 1212003113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 830073721 + 2282928400 = 28811^2 + 47780^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113002121 - 2¹⁴ = 3112985737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3113002096 and 3113002105.

It is not an unprimeable number, because it can be changed into a prime (3113002181) 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, 37963400 + ... + 37963481.

It is an arithmetic number, because the mean of its divisors is an integer number (797232261).

Almost surely, 2^3113002121 is an apocalyptic number.

It is an amenable number.

3113002121 is a deficient number, since it is larger than the sum of its proper divisors (75926923).

3113002121 is an equidigital number, since it uses as much as digits as its factorization.

3113002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75926922.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3113002121 is about 55794.2839455799. The cubic root of 3113002121 is about 1460.1354288897.

Adding to 3113002121 its reverse (1212003113), we get a palindrome (4325005234).

The spelling of 3113002121 in words is "three billion, one hundred thirteen million, two thousand, one hundred twenty-one".