3113452421 has 2 divisors, whose sum is σ = 3113452422. Its totient is φ = 3113452420.

The previous prime is 3113452393. The next prime is 3113452427. The reversal of 3113452421 is 1242543113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1777549921 + 1335902500 = 42161^2 + 36550^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113452421 - 2¹⁴ = 3113436037 is a prime.

It is a super-2 number, since 2×3113452421² = 19387171955661522482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113452427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556726210 + 1556726211.

It is an arithmetic number, because the mean of its divisors is an integer number (1556726211).

Almost surely, 2^3113452421 is an apocalyptic number.

It is an amenable number.

3113452421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113452421 is an equidigital number, since it uses as much as digits as its factorization.

3113452421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 3113452421 is about 55798.3191592722. The cubic root of 3113452421 is about 1460.2058290220.

Adding to 3113452421 its reverse (1242543113), we get a palindrome (4355995534).

The spelling of 3113452421 in words is "three billion, one hundred thirteen million, four hundred fifty-two thousand, four hundred twenty-one".