328307261029 has 12 divisors (see below), whose sum is σ = 370619816812. Its totient is φ = 290394624960.

The previous prime is 328307261021. The next prime is 328307261053. The reversal of 328307261029 is 920162703823.

It can be written as a sum of positive squares in 2 ways, for example, as 181080036225 + 147227224804 = 425535^2 + 383702^2 .

It is not a de Polignac number, because 328307261029 - 2³ = 328307261021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328307261021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36661512 + ... + 36670465.

Almost surely, 2^328307261029 is an apocalyptic number.

It is an amenable number.

328307261029 is a deficient number, since it is larger than the sum of its proper divisors (42312555783).

328307261029 is a wasteful number, since it uses less digits than its factorization.

328307261029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73332036 (or 73332025 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 328307261029 in words is "three hundred twenty-eight billion, three hundred seven million, two hundred sixty-one thousand, twenty-nine".