1103111120331 has 24 divisors (see below), whose sum is σ = 1785215054064. Its totient is φ = 650483213760.

The previous prime is 1103111120281. The next prime is 1103111120339. The reversal of 1103111120331 is 1330211113011.

1103111120331 is a `hidden beast` number, since 1 + 1 + 0 + 311 + 1 + 1 + 20 + 331 = 666.

It is not a de Polignac number, because 1103111120331 - 2³¹ = 1100963636683 is a prime.

It is a super-2 number, since 2×1103111120331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103111120339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150571156 + ... + 150578481.

It is an arithmetic number, because the mean of its divisors is an integer number (74383960586).

Almost surely, 2^{1103111120331} is an apocalyptic number.

1103111120331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1103111120331 is a deficient number, since it is larger than the sum of its proper divisors (682103933733).

1103111120331 is a wasteful number, since it uses less digits than its factorization.

1103111120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301149691 (or 301149688 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1103111120331 its reverse (1330211113011), we get a palindrome (2433322233342).

The spelling of 1103111120331 in words is "one trillion, one hundred three billion, one hundred eleven million, one hundred twenty thousand, three hundred thirty-one".