10031112011 has 4 divisors (see below), whose sum is σ = 10128501552. Its totient is φ = 9933722472.

The previous prime is 10031111971. The next prime is 10031112031. The reversal of 10031112011 is 11021113001.

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 10031112011 - 2¹⁸ = 10030849867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10031111983 and 10031112001.

It is not an unprimeable number, because it can be changed into a prime (10031112031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48694616 + ... + 48694821.

It is an arithmetic number, because the mean of its divisors is an integer number (2532125388).

Almost surely, 2^10031112011 is an apocalyptic number.

10031112011 is a deficient number, since it is larger than the sum of its proper divisors (97389541).

10031112011 is an equidigital number, since it uses as much as digits as its factorization.

10031112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97389540.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10031112011 its reverse (11021113001), we get a palindrome (21052225012).

The spelling of 10031112011 in words is "ten billion, thirty-one million, one hundred twelve thousand, eleven".