31143034 has 16 divisors (see below), whose sum is σ = 51932160. Its totient is φ = 13909680.

The previous prime is 31143029. The next prime is 31143053. The reversal of 31143034 is 43034113.

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, 18514 + ... + 20125.

It is an arithmetic number, because the mean of its divisors is an integer number (3245760).

Almost surely, 2^31143034 is an apocalyptic number.

31143034 is a deficient number, since it is larger than the sum of its proper divisors (20789126).

31143034 is a wasteful number, since it uses less digits than its factorization.

31143034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38685.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 31143034 is about 5580.5944127844. The cubic root of 31143034 is about 314.6204684064.

Adding to 31143034 its reverse (43034113), we get a palindrome (74177147).

The spelling of 31143034 in words is "thirty-one million, one hundred forty-three thousand, thirty-four".