3115221463 has 2 divisors, whose sum is σ = 3115221464. Its totient is φ = 3115221462.

The previous prime is 3115221443. The next prime is 3115221467. The reversal of 3115221463 is 3641225113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3115221463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115221467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557610731 + 1557610732.

It is an arithmetic number, because the mean of its divisors is an integer number (1557610732).

Almost surely, 2^3115221463 is an apocalyptic number.

3115221463 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115221463 is an equidigital number, since it uses as much as digits as its factorization.

3115221463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 3115221463 is about 55814.1690164782. The cubic root of 3115221463 is about 1460.4823362558.

Adding to 3115221463 its reverse (3641225113), we get a palindrome (6756446576).

The spelling of 3115221463 in words is "three billion, one hundred fifteen million, two hundred twenty-one thousand, four hundred sixty-three".