2431431240203 has 8 divisors (see below), whose sum is σ = 2868416578560. Its totient is φ = 2016855406440.

The previous prime is 2431431240169. The next prime is 2431431240223. The reversal of 2431431240203 is 3020421341342.

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

It is a de Polignac number, because none of the positive numbers 2^k-2431431240203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2431431240223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602375913 + ... + 5602376346.

It is an arithmetic number, because the mean of its divisors is an integer number (358552072320).

Almost surely, 2^{2431431240203} is an apocalyptic number.

2431431240203 is a deficient number, since it is larger than the sum of its proper divisors (436985338357).

2431431240203 is a wasteful number, since it uses less digits than its factorization.

2431431240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11204752297.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2431431240203 its reverse (3020421341342), we get a palindrome (5451852581545).

The spelling of 2431431240203 in words is "two trillion, four hundred thirty-one billion, four hundred thirty-one million, two hundred forty thousand, two hundred three".