31322104 has 16 divisors (see below), whose sum is σ = 64068120. Its totient is φ = 14237280.

The previous prime is 31322087. The next prime is 31322111. The reversal of 31322104 is 40122313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177879 + ... + 178054.

Almost surely, 2^31322104 is an apocalyptic number.

It is an amenable number.

31322104 is an abundant number, since it is smaller than the sum of its proper divisors (32746016).

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

31322104 is a wasteful number, since it uses less digits than its factorization.

31322104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355950 (or 355946 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31322104 is about 5596.6154057609. The cubic root of 31322104 is about 315.2223306519. Note that the first 3 decimals are identical.

Adding to 31322104 its reverse (40122313), we get a palindrome (71444417).

The spelling of 31322104 in words is "thirty-one million, three hundred twenty-two thousand, one hundred four".