2103231021331 has 16 divisors (see below), whose sum is σ = 2469226789728. Its totient is φ = 1770055027200.

The previous prime is 2103231021329. The next prime is 2103231021343. The reversal of 2103231021331 is 1331201323012.

It is a cyclic number.

It is not a de Polignac number, because 2103231021331 - 2¹ = 2103231021329 is a prime.

It is a super-2 number, since 2×2103231021331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103231022331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92178960 + ... + 92201773.

It is an arithmetic number, because the mean of its divisors is an integer number (154326674358).

Almost surely, 2^{2103231021331} is an apocalyptic number.

2103231021331 is a deficient number, since it is larger than the sum of its proper divisors (365995768397).

2103231021331 is a wasteful number, since it uses less digits than its factorization.

2103231021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184380822.

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

Adding to 2103231021331 its reverse (1331201323012), we get a palindrome (3434432344343).

The spelling of 2103231021331 in words is "two trillion, one hundred three billion, two hundred thirty-one million, twenty-one thousand, three hundred thirty-one".