2251011306 has 32 divisors (see below), whose sum is σ = 4636339200. Its totient is φ = 728273520.

The previous prime is 2251011281. The next prime is 2251011313. The reversal of 2251011306 is 6031101522.

2251011306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12280 + ... + 68211.

It is an arithmetic number, because the mean of its divisors is an integer number (144885600).

Almost surely, 2^2251011306 is an apocalyptic number.

2251011306 is an abundant number, since it is smaller than the sum of its proper divisors (2385327894).

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

2251011306 is a wasteful number, since it uses less digits than its factorization.

2251011306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80634.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2251011306 is about 47444.8238061856. The cubic root of 2251011306 is about 1310.5669915125.

Adding to 2251011306 its reverse (6031101522), we get a palindrome (8282112828).

The spelling of 2251011306 in words is "two billion, two hundred fifty-one million, eleven thousand, three hundred six".