201312019982 has 16 divisors (see below), whose sum is σ = 302545312272. Its totient is φ = 100463712960.

The previous prime is 201312019981. The next prime is 201312019991. The reversal of 201312019982 is 289910213102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201312019981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3209057 + ... + 3271187.

It is an arithmetic number, because the mean of its divisors is an integer number (18909082017).

Almost surely, 2^201312019982 is an apocalyptic number.

201312019982 is a deficient number, since it is larger than the sum of its proper divisors (101233292290).

201312019982 is a wasteful number, since it uses less digits than its factorization.

201312019982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65203.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 201312019982 in words is "two hundred one billion, three hundred twelve million, nineteen thousand, nine hundred eighty-two".