2001131199974 has 8 divisors (see below), whose sum is σ = 3098525729088. Its totient is φ = 968289290280.

The previous prime is 2001131199971. The next prime is 2001131199979. The reversal of 2001131199974 is 4799911311002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001131199971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16138154777 + ... + 16138154900.

It is an arithmetic number, because the mean of its divisors is an integer number (387315716136).

Almost surely, 2^{2001131199974} is an apocalyptic number.

2001131199974 is a deficient number, since it is larger than the sum of its proper divisors (1097394529114).

2001131199974 is a wasteful number, since it uses less digits than its factorization.

2001131199974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32276309710.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 2001131199974 in words is "two trillion, one billion, one hundred thirty-one million, one hundred ninety-nine thousand, nine hundred seventy-four".