31164122 has 8 divisors (see below), whose sum is σ = 50995872. Its totient is φ = 14165500.

The previous prime is 31164109. The next prime is 31164127. The reversal of 31164122 is 22146113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31164094 and 31164103.

It is not an unprimeable number, because it can be changed into a prime (31164127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708254 + ... + 708297.

It is an arithmetic number, because the mean of its divisors is an integer number (6374484).

Almost surely, 2^31164122 is an apocalyptic number.

31164122 is a deficient number, since it is larger than the sum of its proper divisors (19831750).

31164122 is a wasteful number, since it uses less digits than its factorization.

31164122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416564.

The product of its digits is 288, while the sum is 20.

The square root of 31164122 is about 5582.4834975126. The cubic root of 31164122 is about 314.6914657651.

Subtracting from 31164122 its reverse (22146113), we obtain a square (9018009 = 3003²).

The spelling of 31164122 in words is "thirty-one million, one hundred sixty-four thousand, one hundred twenty-two".