31124134 has 16 divisors (see below), whose sum is σ = 48964320. Its totient is φ = 14817600.

The previous prime is 31124123. The next prime is 31124143. The reversal of 31124134 is 43142113.

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, 559 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (3060270).

Almost surely, 2^31124134 is an apocalyptic number.

31124134 is a deficient number, since it is larger than the sum of its proper divisors (17840186).

31124134 is a wasteful number, since it uses less digits than its factorization.

31124134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455.

The product of its digits is 288, while the sum is 19.

The square root of 31124134 is about 5578.9007877897. The cubic root of 31124134 is about 314.5568101883.

Adding to 31124134 its reverse (43142113), we get a palindrome (74266247).

The spelling of 31124134 in words is "thirty-one million, one hundred twenty-four thousand, one hundred thirty-four".