31134516 has 48 divisors (see below), whose sum is σ = 85895040. Its totient is φ = 8588160.

The previous prime is 31134469. The next prime is 31134517. The reversal of 31134516 is 61543113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134517) 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 15 ways as a sum of consecutive naturals, for example, 3955 + ... + 8826.

It is an arithmetic number, because the mean of its divisors is an integer number (1789480).

Almost surely, 2^31134516 is an apocalyptic number.

It is an amenable number.

31134516 is an abundant number, since it is smaller than the sum of its proper divisors (54760524).

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

31134516 is a wasteful number, since it uses less digits than its factorization.

31134516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824 (or 12822 counting only the distinct ones).

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

The square root of 31134516 is about 5579.8311802419. The cubic root of 31134516 is about 314.5917816111.

Adding to 31134516 its reverse (61543113), we get a palindrome (92677629).

The spelling of 31134516 in words is "thirty-one million, one hundred thirty-four thousand, five hundred sixteen".