312131134 has 16 divisors (see below), whose sum is σ = 537802848. Its totient is φ = 133090272.

The previous prime is 312131119. The next prime is 312131143. The reversal of 312131134 is 431131213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53829 + ... + 59344.

It is an arithmetic number, because the mean of its divisors is an integer number (33612678).

Almost surely, 2^312131134 is an apocalyptic number.

312131134 is a deficient number, since it is larger than the sum of its proper divisors (225671714).

312131134 is a wasteful number, since it uses less digits than its factorization.

312131134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113379.

The product of its digits is 216, while the sum is 19.

The square root of 312131134 is about 17667.2333431129. The cubic root of 312131134 is about 678.3372973278.

Adding to 312131134 its reverse (431131213), we get a palindrome (743262347).

The spelling of 312131134 in words is "three hundred twelve million, one hundred thirty-one thousand, one hundred thirty-four".