2531430452216 has 16 divisors (see below), whose sum is σ = 4746577109400. Its totient is φ = 1265676556384.

The previous prime is 2531430452209. The next prime is 2531430452249. The reversal of 2531430452216 is 6122540341352.

It is a self number, because there is not a number n which added to its sum of digits gives 2531430452216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4554551 + ... + 5080038.

Almost surely, 2^{2531430452216} is an apocalyptic number.

It is an amenable number.

2531430452216 is a deficient number, since it is larger than the sum of its proper divisors (2215146657184).

2531430452216 is a wasteful number, since it uses less digits than its factorization.

2531430452216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667438 (or 9667434 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 2531430452216 its reverse (6122540341352), we get a palindrome (8653970793568).

The spelling of 2531430452216 in words is "two trillion, five hundred thirty-one billion, four hundred thirty million, four hundred fifty-two thousand, two hundred sixteen".