30431131616364 has 24 divisors (see below), whose sum is σ = 71102844151920. Its totient is φ = 10129871913024.

The previous prime is 30431131616317. The next prime is 30431131616393. The reversal of 30431131616364 is 46361613113403.

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, 1729819059 + ... + 1729836650.

It is an arithmetic number, because the mean of its divisors is an integer number (2962618506330).

Almost surely, 2^{30431131616364} is an apocalyptic number.

It is an amenable number.

30431131616364 is an abundant number, since it is smaller than the sum of its proper divisors (40671712535556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30431131616364 is a wasteful number, since it uses less digits than its factorization.

30431131616364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459656449 (or 3459656447 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

Adding to 30431131616364 its reverse (46361613113403), we get a palindrome (76792744729767).

The spelling of 30431131616364 in words is "thirty trillion, four hundred thirty-one billion, one hundred thirty-one million, six hundred sixteen thousand, three hundred sixty-four".