321232316 has 24 divisors (see below), whose sum is σ = 592436880. Its totient is φ = 151984512.

The previous prime is 321232313. The next prime is 321232321. The reversal of 321232316 is 613232123.

It is a junction number, because it is equal to n+sod(n) for n = 321232291 and 321232300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321232313) 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, 81446 + ... + 85298.

It is an arithmetic number, because the mean of its divisors is an integer number (24684870).

Almost surely, 2^321232316 is an apocalyptic number.

It is an amenable number.

321232316 is a deficient number, since it is larger than the sum of its proper divisors (271204564).

321232316 is a wasteful number, since it uses less digits than its factorization.

321232316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973 (or 4971 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 321232316 is about 17922.9550018963. The cubic root of 321232316 is about 684.8672668032.

Adding to 321232316 its reverse (613232123), we get a palindrome (934464439).

The spelling of 321232316 in words is "three hundred twenty-one million, two hundred thirty-two thousand, three hundred sixteen".