2001311011232 has 48 divisors (see below), whose sum is σ = 4269196038240. Its totient is φ = 918015213312.

The previous prime is 2001311011229. The next prime is 2001311011241. The reversal of 2001311011232 is 2321101131002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001311011232.

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, 14689382 + ... + 14824997.

It is an arithmetic number, because the mean of its divisors is an integer number (88941584130).

Almost surely, 2^{2001311011232} is an apocalyptic number.

It is an amenable number.

2001311011232 is an abundant number, since it is smaller than the sum of its proper divisors (2267885027008).

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

2001311011232 is a wasteful number, since it uses less digits than its factorization.

2001311011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29514565 (or 29514557 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2001311011232 its reverse (2321101131002), we get a palindrome (4322412142234).

The spelling of 2001311011232 in words is "two trillion, one billion, three hundred eleven million, eleven thousand, two hundred thirty-two".