3115124261 has 2 divisors, whose sum is σ = 3115124262. Its totient is φ = 3115124260.

The previous prime is 3115124213. The next prime is 3115124267. The reversal of 3115124261 is 1624215113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2530693636 + 584430625 = 50306^2 + 24175^2 .

It is a cyclic number.

It is not a de Polignac number, because 3115124261 - 2¹⁰ = 3115123237 is a prime.

It is a super-2 number, since 2×3115124261² = 19407998322941592242, 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 3115124261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115124267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557562130 + 1557562131.

It is an arithmetic number, because the mean of its divisors is an integer number (1557562131).

Almost surely, 2^3115124261 is an apocalyptic number.

It is an amenable number.

3115124261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115124261 is an equidigital number, since it uses as much as digits as its factorization.

3115124261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 3115124261 is about 55813.2982451315. The cubic root of 3115124261 is about 1460.4671459734.

Adding to 3115124261 its reverse (1624215113), we get a palindrome (4739339374).

The spelling of 3115124261 in words is "three billion, one hundred fifteen million, one hundred twenty-four thousand, two hundred sixty-one".