31135164 has 24 divisors (see below), whose sum is σ = 73570560. Its totient is φ = 10246704.

The previous prime is 31135151. The next prime is 31135199. The reversal of 31135164 is 46153113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15474 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (3065440).

Almost surely, 2^31135164 is an apocalyptic number.

It is an amenable number.

31135164 is an abundant number, since it is smaller than the sum of its proper divisors (42435396).

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

31135164 is a wasteful number, since it uses less digits than its factorization.

31135164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32929 (or 32927 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 31135164 is about 5579.8892462127. The cubic root of 31135164 is about 314.5939641199.

Adding to 31135164 its reverse (46153113), we get a palindrome (77288277).

The spelling of 31135164 in words is "thirty-one million, one hundred thirty-five thousand, one hundred sixty-four".