2011144431301 has 8 divisors (see below), whose sum is σ = 2044220404824. Its totient is φ = 1978071889920.

The previous prime is 2011144431281. The next prime is 2011144431311. The reversal of 2011144431301 is 1031344411102.

It can be written as a sum of positive squares in 4 ways, for example, as 333160994401 + 1677983436900 = 577201^2 + 1295370^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011144431301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011144431311) 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, 337125 + ... + 2033701.

It is an arithmetic number, because the mean of its divisors is an integer number (255527550603).

Almost surely, 2^{2011144431301} is an apocalyptic number.

It is an amenable number.

2011144431301 is a deficient number, since it is larger than the sum of its proper divisors (33075973523).

2011144431301 is a wasteful number, since it uses less digits than its factorization.

2011144431301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716071.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 2011144431301 its reverse (1031344411102), we get a palindrome (3042488842403).

The spelling of 2011144431301 in words is "two trillion, eleven billion, one hundred forty-four million, four hundred thirty-one thousand, three hundred one".