2011031069 has 2 divisors, whose sum is σ = 2011031070. Its totient is φ = 2011031068.

The previous prime is 2011031053. The next prime is 2011031119. The reversal of 2011031069 is 9601301102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1282570969 + 728460100 = 35813^2 + 26990^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011031069 - 2⁴ = 2011031053 is a prime.

It is a super-2 number, since 2×2011031069² = 8088491920966565522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011081069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005515534 + 1005515535.

It is an arithmetic number, because the mean of its divisors is an integer number (1005515535).

Almost surely, 2^2011031069 is an apocalyptic number.

It is an amenable number.

2011031069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011031069 is an equidigital number, since it uses as much as digits as its factorization.

2011031069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2011031069 is about 44844.5210588763. The cubic root of 2011031069 is about 1262.2331835458.

The spelling of 2011031069 in words is "two billion, eleven million, thirty-one thousand, sixty-nine".