100031322 has 32 divisors (see below), whose sum is σ = 205344000. Its totient is φ = 32470848.

The previous prime is 100031303. The next prime is 100031377. The reversal of 100031322 is 223130001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100031298 and 100031307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63804 + ... + 65352.

It is an arithmetic number, because the mean of its divisors is an integer number (6417000).

Almost surely, 2^100031322 is an apocalyptic number.

100031322 is an abundant number, since it is smaller than the sum of its proper divisors (105312678).

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

100031322 is a wasteful number, since it uses less digits than its factorization.

100031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100031322 is about 10001.5659773857. The cubic root of 100031322 is about 464.2073395843.

Adding to 100031322 its reverse (223130001), we get a palindrome (323161323).

It can be divided in two parts, 10003 and 1322, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 100031322 in words is "one hundred million, thirty-one thousand, three hundred twenty-two".