103042442503 has 64 divisors (see below), whose sum is σ = 140000845824. Its totient is φ = 73235520000.

The previous prime is 103042442479. The next prime is 103042442527. The reversal of 103042442503 is 305244240301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103042442479) and next prime (103042442527).

It is a cyclic number.

It is not a de Polignac number, because 103042442503 - 2²⁵ = 103008888071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103042452503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87249573 + ... + 87250753.

It is an arithmetic number, because the mean of its divisors is an integer number (2187513216).

Almost surely, 2^103042442503 is an apocalyptic number.

103042442503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103042442503 is a deficient number, since it is larger than the sum of its proper divisors (36958403321).

103042442503 is a wasteful number, since it uses less digits than its factorization.

103042442503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 103042442503 its reverse (305244240301), we get a palindrome (408286682804).

It can be divided in two parts, 103042 and 442503, that added together give a palindrome (545545).

The spelling of 103042442503 in words is "one hundred three billion, forty-two million, four hundred forty-two thousand, five hundred three".