103161403 has 4 divisors (see below), whose sum is σ = 103818640. Its totient is φ = 102504168.

The previous prime is 103161391. The next prime is 103161427. The reversal of 103161403 is 304161301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103161403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103161473) 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, 328383 + ... + 328696.

It is an arithmetic number, because the mean of its divisors is an integer number (25954660).

Almost surely, 2^103161403 is an apocalyptic number.

103161403 is a deficient number, since it is larger than the sum of its proper divisors (657237).

103161403 is an equidigital number, since it uses as much as digits as its factorization.

103161403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657236.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 103161403 is about 10156.8402074661. The cubic root of 103161403 is about 468.9995362810. Note that the first 3 decimals are identical.

The spelling of 103161403 in words is "one hundred three million, one hundred sixty-one thousand, four hundred three".