327349631 has 4 divisors (see below), whose sum is σ = 374113872. Its totient is φ = 280585392.

The previous prime is 327349621. The next prime is 327349643. The reversal of 327349631 is 136943723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136943723 = 7 ⋅19563389.

It is a cyclic number.

It is not a de Polignac number, because 327349631 - 2⁶ = 327349567 is a prime.

It is a super-2 number, since 2×327349631² = 214315561831672322, which 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 (327349601) 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, 23382110 + ... + 23382123.

It is an arithmetic number, because the mean of its divisors is an integer number (93528468).

Almost surely, 2^327349631 is an apocalyptic number.

327349631 is a deficient number, since it is larger than the sum of its proper divisors (46764241).

327349631 is an equidigital number, since it uses as much as digits as its factorization.

327349631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46764240.

The product of its digits is 81648, while the sum is 38.

The square root of 327349631 is about 18092.8060565519. The cubic root of 327349631 is about 689.1873307035.

The spelling of 327349631 in words is "three hundred twenty-seven million, three hundred forty-nine thousand, six hundred thirty-one".