31134135 has 16 divisors (see below), whose sum is σ = 50498784. Its totient is φ = 16376832.

The previous prime is 31134133. The next prime is 31134143. The reversal of 31134135 is 53143113.

31134135 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 31134135 - 2¹ = 31134133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13122 + ... + 15311.

It is an arithmetic number, because the mean of its divisors is an integer number (3156174).

Almost surely, 2^31134135 is an apocalyptic number.

31134135 is a deficient number, since it is larger than the sum of its proper divisors (19364649).

31134135 is a wasteful number, since it uses less digits than its factorization.

31134135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28514.

The product of its digits is 540, while the sum is 21.

The square root of 31134135 is about 5579.7970393196. The cubic root of 31134135 is about 314.5904983627.

Adding to 31134135 its reverse (53143113), we get a palindrome (84277248).

The spelling of 31134135 in words is "thirty-one million, one hundred thirty-four thousand, one hundred thirty-five".