2011031031 has 16 divisors (see below), whose sum is σ = 2875046400. Its totient is φ = 1245848448.

The previous prime is 2011031021. The next prime is 2011031053. The reversal of 2011031031 is 1301301102.

It is not a de Polignac number, because 2011031031 - 2¹⁵ = 2010998263 is a prime.

It is a super-2 number, since 2×2011031031² = 8088491615289845922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011030998 and 2011031016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011031021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245541 + ... + 253598.

It is an arithmetic number, because the mean of its divisors is an integer number (179690400).

Almost surely, 2^2011031031 is an apocalyptic number.

2011031031 is a deficient number, since it is larger than the sum of its proper divisors (864015369).

2011031031 is a wasteful number, since it uses less digits than its factorization.

2011031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499238.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2011031031 is about 44844.5206351902. The cubic root of 2011031031 is about 1262.2331755955.

Adding to 2011031031 its reverse (1301301102), we get a palindrome (3312332133).

The spelling of 2011031031 in words is "two billion, eleven million, thirty-one thousand, thirty-one".