63109313 has 4 divisors (see below), whose sum is σ = 63167940. Its totient is φ = 63050688.

The previous prime is 63109289. The next prime is 63109327. The reversal of 63109313 is 31390136.

63109313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36566209 + 26543104 = 6047^2 + 5152^2 .

It is a cyclic number.

It is not a de Polignac number, because 63109313 - 2¹⁴ = 63092929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63109363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27668 + ... + 29861.

It is an arithmetic number, because the mean of its divisors is an integer number (15791985).

Almost surely, 2^63109313 is an apocalyptic number.

It is an amenable number.

63109313 is a deficient number, since it is larger than the sum of its proper divisors (58627).

63109313 is a wasteful number, since it uses less digits than its factorization.

63109313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58626.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 63109313 is about 7944.1370204699. The cubic root of 63109313 is about 398.1357267954.

Adding to 63109313 its reverse (31390136), we get a palindrome (94499449).

The spelling of 63109313 in words is "sixty-three million, one hundred nine thousand, three hundred thirteen".