1503201231203 has 6 divisors (see below), whose sum is σ = 1748621840436. Its totient is φ = 1288458198132.

The previous prime is 1503201231199. The next prime is 1503201231227. The reversal of 1503201231203 is 3021321023051.

It is not a de Polignac number, because 1503201231203 - 2² = 1503201231199 is a prime.

It is a super-2 number, since 2×1503201231203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1503201231253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15338788025 + ... + 15338788122.

It is an arithmetic number, because the mean of its divisors is an integer number (291436973406).

Almost surely, 2^{1503201231203} is an apocalyptic number.

1503201231203 is a deficient number, since it is larger than the sum of its proper divisors (245420609233).

1503201231203 is an equidigital number, since it uses as much as digits as its factorization.

1503201231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30677576161 (or 30677576154 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1503201231203 its reverse (3021321023051), we get a palindrome (4524522254254).

The spelling of 1503201231203 in words is "one trillion, five hundred three billion, two hundred one million, two hundred thirty-one thousand, two hundred three".