321313124 has 24 divisors (see below), whose sum is σ = 649500768. Its totient is φ = 137459840.

The previous prime is 321313093. The next prime is 321313129. The reversal of 321313124 is 421313123.

It is a junction number, because it is equal to n+sod(n) for n = 321313096 and 321313105.

It is not an unprimeable number, because it can be changed into a prime (321313129) 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, 214034 + ... + 215529.

It is an arithmetic number, because the mean of its divisors is an integer number (27062532).

Almost surely, 2^321313124 is an apocalyptic number.

321313124 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

321313124 is an abundant number, since it is smaller than the sum of its proper divisors (328187644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321313124 is a wasteful number, since it uses less digits than its factorization.

321313124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429595 (or 429593 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 321313124 is about 17925.2091759064. The cubic root of 321313124 is about 684.9246895378.

Adding to 321313124 its reverse (421313123), we get a palindrome (742626247).

Subtracting 321313124 from its reverse (421313123), we obtain a palindrome (99999999).

The spelling of 321313124 in words is "three hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-four".