103311345 has 16 divisors (see below), whose sum is σ = 167291712. Its totient is φ = 54434880.

The previous prime is 103311337. The next prime is 103311353. The reversal of 103311345 is 543113301.

It is an interprime number because it is at equal distance from previous prime (103311337) and next prime (103311353).

It is not a de Polignac number, because 103311345 - 2³ = 103311337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40246 + ... + 42735.

It is an arithmetic number, because the mean of its divisors is an integer number (10455732).

Almost surely, 2^103311345 is an apocalyptic number.

103311345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103311345 is a deficient number, since it is larger than the sum of its proper divisors (63980367).

103311345 is an equidigital number, since it uses as much as digits as its factorization.

103311345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83072.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 103311345 is about 10164.2188583285. The cubic root of 103311345 is about 469.2266518599.

Adding to 103311345 its reverse (543113301), we get a palindrome (646424646).

The spelling of 103311345 in words is "one hundred three million, three hundred eleven thousand, three hundred forty-five".