1001100000031 has 4 divisors (see below), whose sum is σ = 1005288703200. Its totient is φ = 996911296864.

The previous prime is 1001100000001. The next prime is 1001100000037. The reversal of 1001100000031 is 1300000011001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001100000031 - 2¹³ = 1001099991839 is a prime.

It is a super-2 number, since 2×1001100000031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001100000037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094351226 + ... + 2094351703.

It is an arithmetic number, because the mean of its divisors is an integer number (251322175800).

Almost surely, 2^{1001100000031} is an apocalyptic number.

1001100000031 is a deficient number, since it is larger than the sum of its proper divisors (4188703169).

1001100000031 is an equidigital number, since it uses as much as digits as its factorization.

1001100000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188703168.

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

Adding to 1001100000031 its reverse (1300000011001), we get a palindrome (2301100011032).

The spelling of 1001100000031 in words is "one trillion, one billion, one hundred million, thirty-one", and thus it is an aban number.