103720303 has 4 divisors (see below), whose sum is σ = 104247000. Its totient is φ = 103193608.

The previous prime is 103720291. The next prime is 103720339. The reversal of 103720303 is 303027301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303027301 = 4391 ⋅69011.

It is a cyclic number.

It is not a de Polignac number, because 103720303 - 2¹³ = 103712111 is a prime.

It is a super-3 number, since 3×103720303³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103720003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263053 + ... + 263446.

It is an arithmetic number, because the mean of its divisors is an integer number (26061750).

Almost surely, 2^103720303 is an apocalyptic number.

103720303 is a deficient number, since it is larger than the sum of its proper divisors (526697).

103720303 is an equidigital number, since it uses as much as digits as its factorization.

103720303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526696.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 103720303 is about 10184.3165210042. The cubic root of 103720303 is about 469.8449813193.

Adding to 103720303 its reverse (303027301), we get a palindrome (406747604).

The spelling of 103720303 in words is "one hundred three million, seven hundred twenty thousand, three hundred three".