3112203013 has 4 divisors (see below), whose sum is σ = 3113129068. Its totient is φ = 3111276960.

The previous prime is 3112203007. The next prime is 3112203019. The reversal of 3112203013 is 3103022113.

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

It is an interprime number because it is at equal distance from previous prime (3112203007) and next prime (3112203019).

It can be written as a sum of positive squares in 2 ways, for example, as 1919053249 + 1193149764 = 43807^2 + 34542^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112203013 - 2²⁵ = 3078648581 is a prime.

It is a super-3 number, since 3×3112203013³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112203019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457968 + ... + 464713.

It is an arithmetic number, because the mean of its divisors is an integer number (778282267).

Almost surely, 2^3112203013 is an apocalyptic number.

It is an amenable number.

3112203013 is a deficient number, since it is larger than the sum of its proper divisors (926055).

3112203013 is an equidigital number, since it uses as much as digits as its factorization.

3112203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926054.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3112203013 is about 55787.1222864202. The cubic root of 3112203013 is about 1460.0104792205.

Adding to 3112203013 its reverse (3103022113), we get a palindrome (6215225126).

Subtracting from 3112203013 its reverse (3103022113), we obtain a square (9180900 = 3030²).

The spelling of 3112203013 in words is "three billion, one hundred twelve million, two hundred three thousand, thirteen".