2003131143431 has 8 divisors (see below), whose sum is σ = 2185254614928. Its totient is φ = 1821011112000.

The previous prime is 2003131143383. The next prime is 2003131143439. The reversal of 2003131143431 is 1343411313002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003131143431 is a prime.

It is a super-2 number, since 2×2003131143431² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2003131143431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003131143439) 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, 443411 + ... + 2050091.

It is an arithmetic number, because the mean of its divisors is an integer number (273156826866).

Almost surely, 2^{2003131143431} is an apocalyptic number.

2003131143431 is a deficient number, since it is larger than the sum of its proper divisors (182123471497).

2003131143431 is a wasteful number, since it uses less digits than its factorization.

2003131143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720033.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 2003131143431 its reverse (1343411313002), we get a palindrome (3346542456433).

The spelling of 2003131143431 in words is "two trillion, three billion, one hundred thirty-one million, one hundred forty-three thousand, four hundred thirty-one".