2001311011302 has 32 divisors (see below), whose sum is σ = 4030626023424. Its totient is φ = 662448573600.

The previous prime is 2001311011277. The next prime is 2001311011303. The reversal of 2001311011302 is 2031101131002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001311011303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874833 + ... + 2183564.

It is an arithmetic number, because the mean of its divisors is an integer number (125957063232).

Almost surely, 2^{2001311011302} is an apocalyptic number.

2001311011302 is an abundant number, since it is smaller than the sum of its proper divisors (2029315012122).

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

2001311011302 is a wasteful number, since it uses less digits than its factorization.

2001311011302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059164.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2001311011302 its reverse (2031101131002), we get a palindrome (4032412142304).

The spelling of 2001311011302 in words is "two trillion, one billion, three hundred eleven million, eleven thousand, three hundred two".