2031281188198 has 8 divisors (see below), whose sum is σ = 3047552498880. Its totient is φ = 1015430355240.

The previous prime is 2031281188171. The next prime is 2031281188217. The reversal of 2031281188198 is 8918811821302.

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

It is a super-2 number, since 2×2031281188198² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105107353 + ... + 105126676.

It is an arithmetic number, because the mean of its divisors is an integer number (380944062360).

Almost surely, 2^{2031281188198} is an apocalyptic number.

2031281188198 is a deficient number, since it is larger than the sum of its proper divisors (1016271310682).

2031281188198 is a wasteful number, since it uses less digits than its factorization.

2031281188198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210238862.

The product of its (nonzero) digits is 442368, while the sum is 52.

The spelling of 2031281188198 in words is "two trillion, thirty-one billion, two hundred eighty-one million, one hundred eighty-eight thousand, one hundred ninety-eight".