1103111130331 has 32 divisors (see below), whose sum is σ = 1335027133440. Its totient is φ = 891336894336.

The previous prime is 1103111130259. The next prime is 1103111130337. The reversal of 1103111130331 is 1330311113011.

It is not a de Polignac number, because 1103111130331 - 2⁹ = 1103111129819 is a prime.

It is a super-2 number, since 2×1103111130331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103111130299 and 1103111130308.

It is not an unprimeable number, because it can be changed into a prime (1103111130337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23343930 + ... + 23391136.

It is an arithmetic number, because the mean of its divisors is an integer number (41719597920).

Almost surely, 2^{1103111130331} is an apocalyptic number.

1103111130331 is a deficient number, since it is larger than the sum of its proper divisors (231916003109).

1103111130331 is a wasteful number, since it uses less digits than its factorization.

1103111130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49963.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 1103111130331 its reverse (1330311113011), we get a palindrome (2433422243342).

The spelling of 1103111130331 in words is "one trillion, one hundred three billion, one hundred eleven million, one hundred thirty thousand, three hundred thirty-one".