3131420441 has 2 divisors, whose sum is σ = 3131420442. Its totient is φ = 3131420440.

The previous prime is 3131420429. The next prime is 3131420443. The reversal of 3131420441 is 1440241313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1607689216 + 1523731225 = 40096^2 + 39035^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131420441 - 2¹⁸ = 3131158297 is a prime.

Together with 3131420443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3131420443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565710220 + 1565710221.

It is an arithmetic number, because the mean of its divisors is an integer number (1565710221).

Almost surely, 2^3131420441 is an apocalyptic number.

It is an amenable number.

3131420441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131420441 is an equidigital number, since it uses as much as digits as its factorization.

3131420441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3131420441 is about 55959.0961417355. The cubic root of 3131420441 is about 1463.0094366297.

Adding to 3131420441 its reverse (1440241313), we get a palindrome (4571661754).

The spelling of 3131420441 in words is "three billion, one hundred thirty-one million, four hundred twenty thousand, four hundred forty-one".