2011022031 has 16 divisors (see below), whose sum is σ = 2719997280. Its totient is φ = 1321390080.

The previous prime is 2011022029. The next prime is 2011022033. The reversal of 2011022031 is 1302201102.

It is an interprime number because it is at equal distance from previous prime (2011022029) and next prime (2011022033).

It is not a de Polignac number, because 2011022031 - 2¹ = 2011022029 is a prime.

It is a super-2 number, since 2×2011022031² = 8088419218334729922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011021998 and 2011022016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011022033) 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, 466735 + ... + 471023.

It is an arithmetic number, because the mean of its divisors is an integer number (169999830).

Almost surely, 2^2011022031 is an apocalyptic number.

2011022031 is a deficient number, since it is larger than the sum of its proper divisors (708975249).

2011022031 is a wasteful number, since it uses less digits than its factorization.

2011022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2011022031 is about 44844.4202883703. The cubic root of 2011022031 is about 1262.2312926284.

Adding to 2011022031 its reverse (1302201102), we get a palindrome (3313223133).

The spelling of 2011022031 in words is "two billion, eleven million, twenty-two thousand, thirty-one".