2103313231312 has 20 divisors (see below), whose sum is σ = 4075308707200. Its totient is φ = 1051620661728.

The previous prime is 2103313231307. The next prime is 2103313231333. The reversal of 2103313231312 is 2131323133012.

It is a super-4 number, since 4×2103313231312⁴ (a number of 50 digits) contains 4444 as substring.

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, 1761312 + ... + 2703487.

It is an arithmetic number, because the mean of its divisors is an integer number (203765435360).

Almost surely, 2^{2103313231312} is an apocalyptic number.

It is an amenable number.

2103313231312 is a deficient number, since it is larger than the sum of its proper divisors (1971995475888).

2103313231312 is a wasteful number, since it uses less digits than its factorization.

2103313231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494250 (or 4494244 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2103313231312 its reverse (2131323133012), we get a palindrome (4234636364324).

The spelling of 2103313231312 in words is "two trillion, one hundred three billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred twelve".