31143230014 has 16 divisors (see below), whose sum is σ = 50563675008. Its totient is φ = 14300832672.

The previous prime is 31143229991. The next prime is 31143230021. The reversal of 31143230014 is 41003234113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035022 + ... + 3045265.

It is an arithmetic number, because the mean of its divisors is an integer number (3160229688).

Almost surely, 2^31143230014 is an apocalyptic number.

31143230014 is a deficient number, since it is larger than the sum of its proper divisors (19420444994).

31143230014 is a wasteful number, since it uses less digits than its factorization.

31143230014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080499.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31143230014 its reverse (41003234113), we get a palindrome (72146464127).

The spelling of 31143230014 in words is "thirty-one billion, one hundred forty-three million, two hundred thirty thousand, fourteen".