2011001430 has 64 divisors (see below), whose sum is σ = 5041025280. Its totient is φ = 512913024.

The previous prime is 2011001387. The next prime is 2011001431. The reversal of 2011001430 is 341001102.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011001431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50137 + ... + 80843.

It is an arithmetic number, because the mean of its divisors is an integer number (78766020).

Almost surely, 2^2011001430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011001430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520512640).

2011001430 is an abundant number, since it is smaller than the sum of its proper divisors (3030023850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011001430 is a wasteful number, since it uses less digits than its factorization.

2011001430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30813.

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

The square root of 2011001430 is about 44844.1905936544. The cubic root of 2011001430 is about 1262.2269824957.

Adding to 2011001430 its reverse (341001102), we get a palindrome (2352002532).

The spelling of 2011001430 in words is "two billion, eleven million, one thousand, four hundred thirty".