1982081280231 has 72 divisors (see below), whose sum is σ = 3132908906400. Its totient is φ = 1206880646400.

The previous prime is 1982081280197. The next prime is 1982081280259. The reversal of 1982081280231 is 1320821802891.

1982081280231 is a `hidden beast` number, since 1 + 98 + 208 + 128 + 0 + 231 = 666.

It is not a de Polignac number, because 1982081280231 - 2¹⁵ = 1982081247463 is a prime.

It is a super-2 number, since 2×1982081280231² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982081280281) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 311693830 + ... + 311700188.

It is an arithmetic number, because the mean of its divisors is an integer number (43512623700).

Almost surely, 2^{1982081280231} is an apocalyptic number.

1982081280231 is a deficient number, since it is larger than the sum of its proper divisors (1150827626169).

1982081280231 is a wasteful number, since it uses less digits than its factorization.

1982081280231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521 (or 8505 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 1982081280231 in words is "one trillion, nine hundred eighty-two billion, eighty-one million, two hundred eighty thousand, two hundred thirty-one".