1200100031113 has 8 divisors (see below), whose sum is σ = 1202688048800. Its totient is φ = 1197513134208.

The previous prime is 1200100031071. The next prime is 1200100031131. The reversal of 1200100031113 is 3111300010021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200100031113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200100031093 and 1200100031102.

It is not an unprimeable number, because it can be changed into a prime (1200100031153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881598 + ... + 2437336.

It is an arithmetic number, because the mean of its divisors is an integer number (150336006100).

Almost surely, 2^{1200100031113} is an apocalyptic number.

It is an amenable number.

1200100031113 is a deficient number, since it is larger than the sum of its proper divisors (2588017687).

1200100031113 is an equidigital number, since it uses as much as digits as its factorization.

1200100031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560391.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1200100031113 its reverse (3111300010021), we get a palindrome (4311400041134).

The spelling of 1200100031113 in words is "one trillion, two hundred billion, one hundred million, thirty-one thousand, one hundred thirteen".