31134857 has 8 divisors (see below), whose sum is σ = 33586560. Its totient is φ = 28691280.

The previous prime is 31134839. The next prime is 31134889. The reversal of 31134857 is 75843113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31134857 - 2¹⁰ = 31133833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31133857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7682 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (4198320).

Almost surely, 2^31134857 is an apocalyptic number.

It is an amenable number.

31134857 is a deficient number, since it is larger than the sum of its proper divisors (2451703).

31134857 is a wasteful number, since it uses less digits than its factorization.

31134857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063.

The product of its digits is 10080, while the sum is 32.

The square root of 31134857 is about 5579.8617366383. The cubic root of 31134857 is about 314.5929301265.

The spelling of 31134857 in words is "thirty-one million, one hundred thirty-four thousand, eight hundred fifty-seven".