1003420203215 has 4 divisors (see below), whose sum is σ = 1204104243864. Its totient is φ = 802736162568.

The previous prime is 1003420203091. The next prime is 1003420203239. The reversal of 1003420203215 is 5123020243001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003420203215 - 2²² = 1003416008911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100342020317 + ... + 100342020326.

It is an arithmetic number, because the mean of its divisors is an integer number (301026060966).

Almost surely, 2^{1003420203215} is an apocalyptic number.

1003420203215 is a deficient number, since it is larger than the sum of its proper divisors (200684040649).

1003420203215 is an equidigital number, since it uses as much as digits as its factorization.

1003420203215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200684040648.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1003420203215 its reverse (5123020243001), we get a palindrome (6126440446216).

The spelling of 1003420203215 in words is "one trillion, three billion, four hundred twenty million, two hundred three thousand, two hundred fifteen".