321713122 has 16 divisors (see below), whose sum is σ = 489363840. Its totient is φ = 158597712.

The previous prime is 321713107. The next prime is 321713129. The reversal of 321713122 is 221317123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321713093 and 321713102.

It is not an unprimeable number, because it can be changed into a prime (321713129) 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, 216193 + ... + 217675.

It is an arithmetic number, because the mean of its divisors is an integer number (30585240).

Almost surely, 2^321713122 is an apocalyptic number.

321713122 is a deficient number, since it is larger than the sum of its proper divisors (167650718).

321713122 is a wasteful number, since it uses less digits than its factorization.

321713122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937.

The product of its digits is 504, while the sum is 22.

The square root of 321713122 is about 17936.3631207667. The cubic root of 321713122 is about 685.2087892499.

The spelling of 321713122 in words is "three hundred twenty-one million, seven hundred thirteen thousand, one hundred twenty-two".