1231104140203 has 16 divisors (see below), whose sum is σ = 1420978055616. Its totient is φ = 1044731750400.

The previous prime is 1231104140171. The next prime is 1231104140237. The reversal of 1231104140203 is 3020414011321.

It is a cyclic number.

It is not a de Polignac number, because 1231104140203 - 2⁵ = 1231104140171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231104140293) 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, 21572475 + ... + 21629467.

It is an arithmetic number, because the mean of its divisors is an integer number (88811128476).

Almost surely, 2^{1231104140203} is an apocalyptic number.

1231104140203 is a deficient number, since it is larger than the sum of its proper divisors (189873915413).

1231104140203 is a wasteful number, since it uses less digits than its factorization.

1231104140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87654.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1231104140203 its reverse (3020414011321), we get a palindrome (4251518151524).

The spelling of 1231104140203 in words is "one trillion, two hundred thirty-one billion, one hundred four million, one hundred forty thousand, two hundred three".