2011442331 has 8 divisors (see below), whose sum is σ = 2698377280. Its totient is φ = 1332734472.

The previous prime is 2011442327. The next prime is 2011442351. The reversal of 2011442331 is 1332441102.

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

It is not a de Polignac number, because 2011442331 - 2² = 2011442327 is a prime.

It is a super-2 number, since 2×2011442331² = 8091800501877427122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011442298 and 2011442307.

It is not an unprimeable number, because it can be changed into a prime (2011442311) 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, 2056201 + ... + 2057178.

It is an arithmetic number, because the mean of its divisors is an integer number (337297160).

Almost surely, 2^2011442331 is an apocalyptic number.

2011442331 is a deficient number, since it is larger than the sum of its proper divisors (686934949).

2011442331 is a wasteful number, since it uses less digits than its factorization.

2011442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113545.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2011442331 is about 44849.1062452754. The cubic root of 2011442331 is about 1262.3192211957.

Adding to 2011442331 its reverse (1332441102), we get a palindrome (3343883433).

The spelling of 2011442331 in words is "two billion, eleven million, four hundred forty-two thousand, three hundred thirty-one".