103030020015 has 32 divisors (see below), whose sum is σ = 177545704896. Its totient is φ = 50717598720.

The previous prime is 103030020007. The next prime is 103030020073. The reversal of 103030020015 is 510020030301.

It is a happy number.

It is not a de Polignac number, because 103030020015 - 2³ = 103030020007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 103030019976 and 103030020003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2833027 + ... + 2869163.

It is an arithmetic number, because the mean of its divisors is an integer number (5548303278).

Almost surely, 2^103030020015 is an apocalyptic number.

103030020015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103030020015 is a deficient number, since it is larger than the sum of its proper divisors (74515684881).

103030020015 is a wasteful number, since it uses less digits than its factorization.

103030020015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50779.

The product of its (nonzero) digits is 90, while the sum is 15.

Adding to 103030020015 its reverse (510020030301), we get a palindrome (613050050316).

The spelling of 103030020015 in words is "one hundred three billion, thirty million, twenty thousand, fifteen".