103315291 has 2 divisors, whose sum is σ = 103315292. Its totient is φ = 103315290.

The previous prime is 103315253. The next prime is 103315319. The reversal of 103315291 is 192513301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103315291 - 2¹⁵ = 103282523 is a prime.

It is not a weakly prime, because it can be changed into another prime (103315691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51657645 + 51657646.

It is an arithmetic number, because the mean of its divisors is an integer number (51657646).

Almost surely, 2^103315291 is an apocalyptic number.

103315291 is a deficient number, since it is larger than the sum of its proper divisors (1).

103315291 is an equidigital number, since it uses as much as digits as its factorization.

103315291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 103315291 is about 10164.4129687848. The cubic root of 103315291 is about 469.2326258563.

Adding to 103315291 its reverse (192513301), we get a palindrome (295828592).

The spelling of 103315291 in words is "one hundred three million, three hundred fifteen thousand, two hundred ninety-one".