3113142121 has 2 divisors, whose sum is σ = 3113142122. Its totient is φ = 3113142120.

The previous prime is 3113142107. The next prime is 3113142127. The reversal of 3113142121 is 1212413113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2046205225 + 1066936896 = 45235^2 + 32664^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113142121 - 2¹¹ = 3113140073 is a prime.

It is not a weakly prime, because it can be changed into another prime (3113142127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556571060 + 1556571061.

It is an arithmetic number, because the mean of its divisors is an integer number (1556571061).

Almost surely, 2^3113142121 is an apocalyptic number.

It is an amenable number.

3113142121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113142121 is an equidigital number, since it uses as much as digits as its factorization.

3113142121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 3113142121 is about 55795.5385402812. The cubic root of 3113142121 is about 1460.1573172885.

Adding to 3113142121 its reverse (1212413113), we get a palindrome (4325555234).

The spelling of 3113142121 in words is "three billion, one hundred thirteen million, one hundred forty-two thousand, one hundred twenty-one".