103311245 has 8 divisors (see below), whose sum is σ = 124045560. Its totient is φ = 82600960.

The previous prime is 103311209. The next prime is 103311259. The reversal of 103311245 is 542113301.

It can be written as a sum of positive squares in 4 ways, for example, as 1119364 + 102191881 = 1058^2 + 10109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-103311245 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5441 + ... + 15369.

It is an arithmetic number, because the mean of its divisors is an integer number (15505695).

Almost surely, 2^103311245 is an apocalyptic number.

It is an amenable number.

103311245 is a deficient number, since it is larger than the sum of its proper divisors (20734315).

103311245 is an equidigital number, since it uses as much as digits as its factorization.

103311245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 103311245 is about 10164.2139391101. The cubic root of 103311245 is about 469.2265004642.

Adding to 103311245 its reverse (542113301), we get a palindrome (645424546).

The spelling of 103311245 in words is "one hundred three million, three hundred eleven thousand, two hundred forty-five".