2001244304031 has 32 divisors (see below), whose sum is σ = 3087633389568. Its totient is φ = 1129286124000.

The previous prime is 2001244304029. The next prime is 2001244304069. The reversal of 2001244304031 is 1304034421002.

It is not a de Polignac number, because 2001244304031 - 2¹ = 2001244304029 is a prime.

It is a super-2 number, since 2×2001244304031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001244303992 and 2001244304010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001244304531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3668460 + ... + 4178526.

It is an arithmetic number, because the mean of its divisors is an integer number (96488543424).

Almost surely, 2^{2001244304031} is an apocalyptic number.

2001244304031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2001244304031 is a deficient number, since it is larger than the sum of its proper divisors (1086389085537).

2001244304031 is a wasteful number, since it uses less digits than its factorization.

2001244304031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512411.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2001244304031 its reverse (1304034421002), we get a palindrome (3305278725033).

The spelling of 2001244304031 in words is "two trillion, one billion, two hundred forty-four million, three hundred four thousand, thirty-one".