3113002421 has 2 divisors, whose sum is σ = 3113002422. Its totient is φ = 3113002420.

The previous prime is 3113002397. The next prime is 3113002457. The reversal of 3113002421 is 1242003113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3012802321 + 100200100 = 54889^2 + 10010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113002421 - 2¹⁸ = 3112740277 is a prime.

It is a super-2 number, since 2×3113002421² = 19381568146303722482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3113002421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556501210 + 1556501211.

It is an arithmetic number, because the mean of its divisors is an integer number (1556501211).

Almost surely, 2^3113002421 is an apocalyptic number.

It is an amenable number.

3113002421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113002421 is an equidigital number, since it uses as much as digits as its factorization.

3113002421 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3113002421 is about 55794.2866340273. The cubic root of 3113002421 is about 1460.1354757941.

Adding to 3113002421 its reverse (1242003113), we get a palindrome (4355005534).

The spelling of 3113002421 in words is "three billion, one hundred thirteen million, two thousand, four hundred twenty-one".