329980036831 has 4 divisors (see below), whose sum is σ = 330742115872. Its totient is φ = 329217957792.

The previous prime is 329980036823. The next prime is 329980036871. The reversal of 329980036831 is 138630089923.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 329980036831 - 2³ = 329980036823 is a prime.

It is a super-2 number, since 2×329980036831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329980036871) by changing a digit.

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, 381038871 + ... + 381039736.

It is an arithmetic number, because the mean of its divisors is an integer number (82685528968).

Almost surely, 2^329980036831 is an apocalyptic number.

329980036831 is a deficient number, since it is larger than the sum of its proper divisors (762079041).

329980036831 is an equidigital number, since it uses as much as digits as its factorization.

329980036831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762079040.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 329980036831 in words is "three hundred twenty-nine billion, nine hundred eighty million, thirty-six thousand, eight hundred thirty-one".