103215412443 has 16 divisors (see below), whose sum is σ = 161680087296. Its totient is φ = 57742887840.

The previous prime is 103215412411. The next prime is 103215412459. The reversal of 103215412443 is 344214512301.

It is not a de Polignac number, because 103215412443 - 2⁵ = 103215412411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103215412443.

It is not an unprimeable number, because it can be changed into a prime (103215412483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120297255 + ... + 120298112.

It is an arithmetic number, because the mean of its divisors is an integer number (10105005456).

Almost surely, 2^103215412443 is an apocalyptic number.

103215412443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103215412443 is a deficient number, since it is larger than the sum of its proper divisors (58464674853).

103215412443 is a wasteful number, since it uses less digits than its factorization.

103215412443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240595394.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 103215412443 its reverse (344214512301), we get a palindrome (447429924744).

The spelling of 103215412443 in words is "one hundred three billion, two hundred fifteen million, four hundred twelve thousand, four hundred forty-three".