31415225545316 has 6 divisors (see below), whose sum is σ = 54976644704310. Its totient is φ = 15707612772656.

The previous prime is 31415225545289. The next prime is 31415225545357. The reversal of 31415225545316 is 61354552251413.

It can be written as a sum of positive squares in only one way, i.e., 28029824262400 + 3385401282916 = 5294320^2 + 1839946^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3926903193161 + ... + 3926903193168.

It is an arithmetic number, because the mean of its divisors is an integer number (9162774117385).

Almost surely, 2^{31415225545316} is an apocalyptic number.

It is an amenable number.

31415225545316 is a deficient number, since it is larger than the sum of its proper divisors (23561419158994).

31415225545316 is a wasteful number, since it uses less digits than its factorization.

31415225545316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853806386333 (or 7853806386331 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 47.

Adding to 31415225545316 its reverse (61354552251413), we get a palindrome (92769777796729).

The spelling of 31415225545316 in words is "thirty-one trillion, four hundred fifteen billion, two hundred twenty-five million, five hundred forty-five thousand, three hundred sixteen".