103203021430 has 16 divisors (see below), whose sum is σ = 195542567280. Its totient is φ = 39108513312.

The previous prime is 103203021391. The next prime is 103203021431. The reversal of 103203021430 is 34120302301.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 103203021398 and 103203021407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103203021431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271586709 + ... + 271587088.

It is an arithmetic number, because the mean of its divisors is an integer number (12221410455).

Almost surely, 2^103203021430 is an apocalyptic number.

103203021430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103203021430 is a deficient number, since it is larger than the sum of its proper divisors (92339545850).

103203021430 is a wasteful number, since it uses less digits than its factorization.

103203021430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543173823.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 103203021430 its reverse (34120302301), we get a palindrome (137323323731).

The spelling of 103203021430 in words is "one hundred three billion, two hundred three million, twenty-one thousand, four hundred thirty".