31322934 has 24 divisors (see below), whose sum is σ = 69523272. Its totient is φ = 10186080.

The previous prime is 31322933. The next prime is 31322939. The reversal of 31322934 is 43922313.

It is a happy number.

It is a super-2 number, since 2×31322934² = 1962252388736712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31322898 and 31322907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322933) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20484 + ... + 21959.

It is an arithmetic number, because the mean of its divisors is an integer number (2896803).

Almost surely, 2^31322934 is an apocalyptic number.

31322934 is an abundant number, since it is smaller than the sum of its proper divisors (38200338).

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

31322934 is a wasteful number, since it uses less digits than its factorization.

31322934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42492 (or 42489 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 31322934 is about 5596.6895572293. The cubic root of 31322934 is about 315.2251149712.

The spelling of 31322934 in words is "thirty-one million, three hundred twenty-two thousand, nine hundred thirty-four".