1103031103031 has 32 divisors (see below), whose sum is σ = 1354218421248. Its totient is φ = 884858163840.

The previous prime is 1103031102931. The next prime is 1103031103049. The reversal of 1103031103031 is 1303011303011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103031103031 is a prime.

It is a super-2 number, since 2×1103031103031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103031102031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1619336 + ... + 2197341.

It is an arithmetic number, because the mean of its divisors is an integer number (42319325664).

Almost surely, 2^{1103031103031} is an apocalyptic number.

1103031103031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1103031103031 is a deficient number, since it is larger than the sum of its proper divisors (251187318217).

1103031103031 is a wasteful number, since it uses less digits than its factorization.

1103031103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816791.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1103031103031 its reverse (1303011303011), we get a palindrome (2406042406042).

The spelling of 1103031103031 in words is "one trillion, one hundred three billion, thirty-one million, one hundred three thousand, thirty-one".