2103111332031 has 16 divisors (see below), whose sum is σ = 2808668680704. Its totient is φ = 1399814392224.

The previous prime is 2103111332017. The next prime is 2103111332041. The reversal of 2103111332031 is 1302331113012.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2103111332031 is a prime.

It is a super-2 number, since 2×2103111332031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103111331989 and 2103111332007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103111332041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41817006 + ... + 41867268.

It is an arithmetic number, because the mean of its divisors is an integer number (175541792544).

Almost surely, 2^{2103111332031} is an apocalyptic number.

2103111332031 is a deficient number, since it is larger than the sum of its proper divisors (705557348673).

2103111332031 is a wasteful number, since it uses less digits than its factorization.

2103111332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72470.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2103111332031 its reverse (1302331113012), we get a palindrome (3405442445043).

The spelling of 2103111332031 in words is "two trillion, one hundred three billion, one hundred eleven million, three hundred thirty-two thousand, thirty-one".