103403431020 has 48 divisors (see below), whose sum is σ = 291045500928. Its totient is φ = 27429877440.

The previous prime is 103403431009. The next prime is 103403431051. The reversal of 103403431020 is 20134304301.

103403431020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4500034 + ... + 4522953.

It is an arithmetic number, because the mean of its divisors is an integer number (6063447936).

Almost surely, 2^103403431020 is an apocalyptic number.

103403431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103403431020 is an abundant number, since it is smaller than the sum of its proper divisors (187642069908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103403431020 is a wasteful number, since it uses less digits than its factorization.

103403431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023190 (or 9023188 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 103403431020 its reverse (20134304301), we get a palindrome (123537735321).

The spelling of 103403431020 in words is "one hundred three billion, four hundred three million, four hundred thirty-one thousand, twenty".