2003111312131 has 8 divisors (see below), whose sum is σ = 2005227421344. Its totient is φ = 2000996269440.

The previous prime is 2003111312123. The next prime is 2003111312149. The reversal of 2003111312131 is 1312131113002.

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 2003111312131 - 2³ = 2003111312123 is a prime.

It is a super-2 number, since 2×2003111312131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003111312099 and 2003111312108.

It is not an unprimeable number, because it can be changed into a prime (2003111312161) 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, 3520026 + ... + 4049296.

It is an arithmetic number, because the mean of its divisors is an integer number (250653427668).

Almost surely, 2^{2003111312131} is an apocalyptic number.

2003111312131 is a deficient number, since it is larger than the sum of its proper divisors (2116109213).

2003111312131 is a wasteful number, since it uses less digits than its factorization.

2003111312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533261.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2003111312131 its reverse (1312131113002), we get a palindrome (3315242425133).

The spelling of 2003111312131 in words is "two trillion, three billion, one hundred eleven million, three hundred twelve thousand, one hundred thirty-one".