2003131231312 has 20 divisors (see below), whose sum is σ = 3882593016000. Its totient is φ = 1001171743328.

The previous prime is 2003131231301. The next prime is 2003131231349. The reversal of 2003131231312 is 2131321313002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24575062 + ... + 24656437.

It is an arithmetic number, because the mean of its divisors is an integer number (194129650800).

Almost surely, 2^{2003131231312} is an apocalyptic number.

It is an amenable number.

2003131231312 is a deficient number, since it is larger than the sum of its proper divisors (1879461784688).

2003131231312 is a wasteful number, since it uses less digits than its factorization.

2003131231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49234050 (or 49234044 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2003131231312 its reverse (2131321313002), we get a palindrome (4134452544314).

The spelling of 2003131231312 in words is "two trillion, three billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred twelve".