3121413311 has 2 divisors, whose sum is σ = 3121413312. Its totient is φ = 3121413310.

The previous prime is 3121413263. The next prime is 3121413331. The reversal of 3121413311 is 1133141213.

It is an a-pointer prime, because the next prime (3121413331) can be obtained adding 3121413311 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3121413311 - 2⁶ = 3121413247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121413331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560706655 + 1560706656.

It is an arithmetic number, because the mean of its divisors is an integer number (1560706656).

Almost surely, 2^3121413311 is an apocalyptic number.

3121413311 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121413311 is an equidigital number, since it uses as much as digits as its factorization.

3121413311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 3121413311 is about 55869.6099055649. The cubic root of 3121413311 is about 1461.4493193921.

Adding to 3121413311 its reverse (1133141213), we get a palindrome (4254554524).

The spelling of 3121413311 in words is "three billion, one hundred twenty-one million, four hundred thirteen thousand, three hundred eleven".