31143000004203 has 16 divisors (see below), whose sum is σ = 41899674816000. Its totient is φ = 20574809199840.

The previous prime is 31143000004199. The next prime is 31143000004219. The reversal of 31143000004203 is 30240000034113.

It is not a de Polignac number, because 31143000004203 - 2² = 31143000004199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31143000004203.

It is not an unprimeable number, because it can be changed into a prime (31143000004703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80632333 + ... + 81017646.

It is an arithmetic number, because the mean of its divisors is an integer number (2618729676000).

Almost surely, 2^{31143000004203} is an apocalyptic number.

31143000004203 is a deficient number, since it is larger than the sum of its proper divisors (10756674811797).

31143000004203 is a wasteful number, since it uses less digits than its factorization.

31143000004203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161650562.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31143000004203 its reverse (30240000034113), we get a palindrome (61383000038316).

The spelling of 31143000004203 in words is "thirty-one trillion, one hundred forty-three billion, four thousand, two hundred three".