2001231312310 has 16 divisors (see below), whose sum is σ = 3602383420176. Its totient is φ = 800455400928.

The previous prime is 2001231312277. The next prime is 2001231312347. The reversal of 2001231312310 is 132131321002.

It is a super-2 number, since 2×2001231312310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 4413564 + ... + 4845823.

It is an arithmetic number, because the mean of its divisors is an integer number (225148963761).

Almost surely, 2^{2001231312310} is an apocalyptic number.

2001231312310 is a deficient number, since it is larger than the sum of its proper divisors (1601152107866).

2001231312310 is a wasteful number, since it uses less digits than its factorization.

2001231312310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281007.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2001231312310 its reverse (132131321002), we get a palindrome (2133362633312).

The spelling of 2001231312310 in words is "two trillion, one billion, two hundred thirty-one million, three hundred twelve thousand, three hundred ten".