1003203231101 has 16 divisors (see below), whose sum is σ = 1052049600000. Its totient is φ = 954799093248.

The previous prime is 1003203231091. The next prime is 1003203231109. The reversal of 1003203231101 is 1011323023001.

It is a cyclic number.

It is not a de Polignac number, because 1003203231101 - 2²⁶ = 1003136122237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003203231101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003203231109) 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, 6792695 + ... + 6938811.

It is an arithmetic number, because the mean of its divisors is an integer number (65753100000).

Almost surely, 2^{1003203231101} is an apocalyptic number.

It is an amenable number.

1003203231101 is a deficient number, since it is larger than the sum of its proper divisors (48846368899).

1003203231101 is a wasteful number, since it uses less digits than its factorization.

1003203231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147628.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1003203231101 its reverse (1011323023001), we get a palindrome (2014526254102).

The spelling of 1003203231101 in words is "one trillion, three billion, two hundred three million, two hundred thirty-one thousand, one hundred one".