1000231103203 has 4 divisors (see below), whose sum is σ = 1000270602520. Its totient is φ = 1000191603888.

The previous prime is 1000231103177. The next prime is 1000231103227. The reversal of 1000231103203 is 3023011320001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000231103203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000231100203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19711650 + ... + 19762327.

It is an arithmetic number, because the mean of its divisors is an integer number (250067650630).

Almost surely, 2^{1000231103203} is an apocalyptic number.

1000231103203 is a deficient number, since it is larger than the sum of its proper divisors (39499317).

1000231103203 is an equidigital number, since it uses as much as digits as its factorization.

1000231103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39499316.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1000231103203 its reverse (3023011320001), we get a palindrome (4023242423204).

The spelling of 1000231103203 in words is "one trillion, two hundred thirty-one million, one hundred three thousand, two hundred three".