325120331 has 4 divisors (see below), whose sum is σ = 325189032. Its totient is φ = 325051632.

The previous prime is 325120307. The next prime is 325120351. The reversal of 325120331 is 133021523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133021523 = 179 ⋅743137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325120331 is a prime.

It is a super-2 number, since 2×325120331² = 211406459259099122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325120351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26681 + ... + 36906.

It is an arithmetic number, because the mean of its divisors is an integer number (81297258).

Almost surely, 2^325120331 is an apocalyptic number.

325120331 is a deficient number, since it is larger than the sum of its proper divisors (68701).

325120331 is an equidigital number, since it uses as much as digits as its factorization.

325120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68700.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 325120331 is about 18031.0934499270. The cubic root of 325120331 is about 687.6192760987.

Adding to 325120331 its reverse (133021523), we get a palindrome (458141854).

The spelling of 325120331 in words is "three hundred twenty-five million, one hundred twenty thousand, three hundred thirty-one".