1100100000031 has 2 divisors, whose sum is σ = 1100100000032. Its totient is φ = 1100100000030.

The previous prime is 1100100000029. The next prime is 1100100000113. The reversal of 1100100000031 is 1300000010011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100100000031 - 2¹ = 1100100000029 is a prime.

It is a super-2 number, since 2×1100100000031² (a number of 25 digits) contains 22 as substring.

Together with 1100100000029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100100000731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550050000015 + 550050000016.

It is an arithmetic number, because the mean of its divisors is an integer number (550050000016).

Almost surely, 2^{1100100000031} is an apocalyptic number.

1100100000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100100000031 is an equidigital number, since it uses as much as digits as its factorization.

1100100000031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 1100100000031 its reverse (1300000010011), we get a palindrome (2400100010042).

The spelling of 1100100000031 in words is "one trillion, one hundred billion, one hundred million, thirty-one", and thus it is an aban number.