31101201982 has 16 divisors (see below), whose sum is σ = 48065914512. Its totient is φ = 15083615680.

The previous prime is 31101201959. The next prime is 31101201997. The reversal of 31101201982 is 28910210113.

It is a self number, because there is not a number n which added to its sum of digits gives 31101201982.

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, 1082008 + ... + 1110379.

It is an arithmetic number, because the mean of its divisors is an integer number (3004119657).

Almost surely, 2^31101201982 is an apocalyptic number.

31101201982 is a deficient number, since it is larger than the sum of its proper divisors (16964712530).

31101201982 is a wasteful number, since it uses less digits than its factorization.

31101201982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192603.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 31101201982 in words is "thirty-one billion, one hundred one million, two hundred one thousand, nine hundred eighty-two".