328046131 has 12 divisors (see below), whose sum is σ = 383425320. Its totient is φ = 279840960.

The previous prime is 328046113. The next prime is 328046167. The reversal of 328046131 is 131640823.

It is not a de Polignac number, because 328046131 - 2¹⁷ = 327915059 is a prime.

It is a super-2 number, since 2×328046131² = 215228528128138322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328046131.

It is not an unprimeable number, because it can be changed into a prime (328046101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5526 + ... + 26203.

It is an arithmetic number, because the mean of its divisors is an integer number (31952110).

Almost surely, 2^328046131 is an apocalyptic number.

328046131 is a deficient number, since it is larger than the sum of its proper divisors (55379189).

328046131 is a wasteful number, since it uses less digits than its factorization.

328046131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31954 (or 31947 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 328046131 is about 18112.0438106802. The cubic root of 328046131 is about 689.6757778027.

Adding to 328046131 its reverse (131640823), we get a palindrome (459686954).

The spelling of 328046131 in words is "three hundred twenty-eight million, forty-six thousand, one hundred thirty-one".