2031201309973 has 32 divisors (see below), whose sum is σ = 2286650880000. Its totient is φ = 1788569190720.

The previous prime is 2031201309961. The next prime is 2031201309979. The reversal of 2031201309973 is 3799031021302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031201309973 is a prime.

It is a super-3 number, since 3×2031201309973³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031201309979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24928303 + ... + 25009651.

It is an arithmetic number, because the mean of its divisors is an integer number (71457840000).

Almost surely, 2^{2031201309973} is an apocalyptic number.

It is an amenable number.

2031201309973 is a deficient number, since it is larger than the sum of its proper divisors (255449570027).

2031201309973 is a wasteful number, since it uses less digits than its factorization.

2031201309973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81985.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 2031201309973 in words is "two trillion, thirty-one billion, two hundred one million, three hundred nine thousand, nine hundred seventy-three".