11100103100031 has 32 divisors (see below), whose sum is σ = 16227520773120. Its totient is φ = 6693244790400.

The previous prime is 11100103100029. The next prime is 11100103100033. The reversal of 11100103100031 is 13000130100111.

It is an interprime number because it is at equal distance from previous prime (11100103100029) and next prime (11100103100033).

It is not a de Polignac number, because 11100103100031 - 2¹ = 11100103100029 is a prime.

It is a super-2 number, since 2×11100103100031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100103100033) 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, 10237501 + ... + 11269721.

It is an arithmetic number, because the mean of its divisors is an integer number (507110024160).

Almost surely, 2^{11100103100031} is an apocalyptic number.

11100103100031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11100103100031 is a deficient number, since it is larger than the sum of its proper divisors (5127417673089).

11100103100031 is a wasteful number, since it uses less digits than its factorization.

11100103100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033887.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11100103100031 its reverse (13000130100111), we get a palindrome (24100233200142).

The spelling of 11100103100031 in words is "eleven trillion, one hundred billion, one hundred three million, one hundred thousand, thirty-one".