2001311234 has 8 divisors (see below), whose sum is σ = 3232887420. Its totient is φ = 923682096.

The previous prime is 2001311209. The next prime is 2001311243. The reversal of 2001311234 is 4321131002.

It can be written as a sum of positive squares in 2 ways, for example, as 1877055625 + 124255609 = 43325^2 + 11147^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38486729 + ... + 38486780.

Almost surely, 2^2001311234 is an apocalyptic number.

2001311234 is a deficient number, since it is larger than the sum of its proper divisors (1231576186).

2001311234 is a wasteful number, since it uses less digits than its factorization.

2001311234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76973524.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2001311234 is about 44736.0171897320. The cubic root of 2001311234 is about 1260.1963316302.

Adding to 2001311234 its reverse (4321131002), we get a palindrome (6322442236).

The spelling of 2001311234 in words is "two billion, one million, three hundred eleven thousand, two hundred thirty-four".