311103413 has 2 divisors, whose sum is σ = 311103414. Its totient is φ = 311103412.

The previous prime is 311103319. The next prime is 311103421. The reversal of 311103413 is 314301113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263672644 + 47430769 = 16238^2 + 6887^2 .

It is a cyclic number.

It is not a de Polignac number, because 311103413 - 2¹⁸ = 310841269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311103391 and 311103400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311103493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155551706 + 155551707.

It is an arithmetic number, because the mean of its divisors is an integer number (155551707).

Almost surely, 2^311103413 is an apocalyptic number.

It is an amenable number.

311103413 is a deficient number, since it is larger than the sum of its proper divisors (1).

311103413 is an equidigital number, since it uses as much as digits as its factorization.

311103413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 311103413 is about 17638.1238514758. The cubic root of 311103413 is about 677.5919823552.

Adding to 311103413 its reverse (314301113), we get a palindrome (625404526).

The spelling of 311103413 in words is "three hundred eleven million, one hundred three thousand, four hundred thirteen".