2001311042 has 16 divisors (see below), whose sum is σ = 3077274240. Its totient is φ = 975711888.

The previous prime is 2001311041. The next prime is 2001311057. The reversal of 2001311042 is 2401131002.

It is a super-2 number, since 2×2001311042² = 8010491773662251528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001311041) 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, 14288 + ... + 64859.

It is an arithmetic number, because the mean of its divisors is an integer number (192329640).

Almost surely, 2^2001311042 is an apocalyptic number.

2001311042 is a deficient number, since it is larger than the sum of its proper divisors (1075963198).

2001311042 is a wasteful number, since it uses less digits than its factorization.

2001311042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79465.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2001311042 is about 44736.0150438101. The cubic root of 2001311042 is about 1260.1962913303.

Adding to 2001311042 its reverse (2401131002), we get a palindrome (4402442044).

The spelling of 2001311042 in words is "two billion, one million, three hundred eleven thousand, forty-two".