2111113001031 has 8 divisors (see below), whose sum is σ = 2814832883184. Its totient is φ = 1407400893120.

The previous prime is 2111113001017. The next prime is 2111113001047. The reversal of 2111113001031 is 1301003111112.

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

It is not a de Polignac number, because 2111113001031 - 2⁵ = 2111113000999 is a prime.

It is a super-2 number, since 2×2111113001031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111113001031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111113001071) 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, 1277310 + ... + 2419451.

It is an arithmetic number, because the mean of its divisors is an integer number (351854110398).

Almost surely, 2^{2111113001031} is an apocalyptic number.

2111113001031 is a deficient number, since it is larger than the sum of its proper divisors (703719882153).

2111113001031 is a wasteful number, since it uses less digits than its factorization.

2111113001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887121.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 2111113001031 its reverse (1301003111112), we get a palindrome (3412116112143).

The spelling of 2111113001031 in words is "two trillion, one hundred eleven billion, one hundred thirteen million, one thousand, thirty-one".