328619131 has 8 divisors (see below), whose sum is σ = 332972640. Its totient is φ = 324288192.

The previous prime is 328619111. The next prime is 328619153. The reversal of 328619131 is 131916823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328619131 - 2¹⁹ = 328094843 is a prime.

It is a super-2 number, since 2×328619131² = 215981066518390322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328619111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24735 + ... + 35623.

It is an arithmetic number, because the mean of its divisors is an integer number (41621580).

Almost surely, 2^328619131 is an apocalyptic number.

328619131 is a deficient number, since it is larger than the sum of its proper divisors (4353509).

328619131 is a wasteful number, since it uses less digits than its factorization.

328619131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11285.

The product of its digits is 7776, while the sum is 34.

The square root of 328619131 is about 18127.8551130574. The cubic root of 328619131 is about 690.0770977353.

The spelling of 328619131 in words is "three hundred twenty-eight million, six hundred nineteen thousand, one hundred thirty-one".