2131403240203 has 8 divisors (see below), whose sum is σ = 2203419778560. Its totient is φ = 2060340563520.

The previous prime is 2131403240189. The next prime is 2131403240251. The reversal of 2131403240203 is 3020423041312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131403240203 - 2¹³ = 2131403232011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131403240303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238460875 + ... + 238469812.

It is an arithmetic number, because the mean of its divisors is an integer number (275427472320).

Almost surely, 2^{2131403240203} is an apocalyptic number.

2131403240203 is a deficient number, since it is larger than the sum of its proper divisors (72016538357).

2131403240203 is a wasteful number, since it uses less digits than its factorization.

2131403240203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476930837.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2131403240203 its reverse (3020423041312), we get a palindrome (5151826281515).

The spelling of 2131403240203 in words is "two trillion, one hundred thirty-one billion, four hundred three million, two hundred forty thousand, two hundred three".