31164469 has 8 divisors (see below), whose sum is σ = 36485568. Its totient is φ = 26060640.

The previous prime is 31164461. The next prime is 31164479. The reversal of 31164469 is 96446113.

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

It is a cyclic number.

It is not a de Polignac number, because 31164469 - 2³ = 31164461 is a prime.

It is a super-2 number, since 2×31164469² = 1942448256103922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31164461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54007 + ... + 54580.

It is an arithmetic number, because the mean of its divisors is an integer number (4560696).

Almost surely, 2^31164469 is an apocalyptic number.

It is an amenable number.

31164469 is a deficient number, since it is larger than the sum of its proper divisors (5321099).

31164469 is a wasteful number, since it uses less digits than its factorization.

31164469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108635.

The product of its digits is 15552, while the sum is 34.

The square root of 31164469 is about 5582.5145767835. The cubic root of 31164469 is about 314.6926337485.

The spelling of 31164469 in words is "thirty-one million, one hundred sixty-four thousand, four hundred sixty-nine".