31320060045602 has 8 divisors (see below), whose sum is σ = 48600093174300. Its totient is φ = 15120028987504.

The previous prime is 31320060045601. The next prime is 31320060045623. The reversal of 31320060045602 is 20654006002313.

It can be written as a sum of positive squares in 2 ways, for example, as 28298473976161 + 3021586069441 = 5319631^2 + 1738271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31320060045602² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31320060045601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270000517577 + ... + 270000517692.

Almost surely, 2^{31320060045602} is an apocalyptic number.

31320060045602 is a deficient number, since it is larger than the sum of its proper divisors (17280033128698).

31320060045602 is a wasteful number, since it uses less digits than its factorization.

31320060045602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540001035300.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 31320060045602 its reverse (20654006002313), we get a palindrome (51974066047915).

The spelling of 31320060045602 in words is "thirty-one trillion, three hundred twenty billion, sixty million, forty-five thousand, six hundred two".