31143204314 has 32 divisors (see below), whose sum is σ = 49151079936. Its totient is φ = 14781634560.

The previous prime is 31143204299. The next prime is 31143204319. The reversal of 31143204314 is 41340234113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31143204319) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 656669 + ... + 702495.

It is an arithmetic number, because the mean of its divisors is an integer number (1535971248).

Almost surely, 2^31143204314 is an apocalyptic number.

31143204314 is a deficient number, since it is larger than the sum of its proper divisors (18007875622).

31143204314 is a wasteful number, since it uses less digits than its factorization.

31143204314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46070.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31143204314 its reverse (41340234113), we get a palindrome (72483438427).

The spelling of 31143204314 in words is "thirty-one billion, one hundred forty-three million, two hundred four thousand, three hundred fourteen".