2011231444330 has 16 divisors (see below), whose sum is σ = 3697242485760. Its totient is φ = 787375714192.

The previous prime is 2011231444309. The next prime is 2011231444381. The reversal of 2011231444330 is 334441321102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139607450 + ... + 2139608389.

It is an arithmetic number, because the mean of its divisors is an integer number (231077655360).

Almost surely, 2^{2011231444330} is an apocalyptic number.

2011231444330 is a deficient number, since it is larger than the sum of its proper divisors (1686011041430).

2011231444330 is a wasteful number, since it uses less digits than its factorization.

2011231444330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279215893.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2011231444330 its reverse (334441321102), we get a palindrome (2345672765432).

The spelling of 2011231444330 in words is "two trillion, eleven billion, two hundred thirty-one million, four hundred forty-four thousand, three hundred thirty".