31130330132332 has 12 divisors (see below), whose sum is σ = 54478747097320. Its totient is φ = 15564973818816.

The previous prime is 31130330132309. The next prime is 31130330132333. The reversal of 31130330132332 is 23323103303113.

It is a self number, because there is not a number n which added to its sum of digits gives 31130330132332.

It is not an unprimeable number, because it can be changed into a prime (31130330132333) 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, 47445282 + ... + 48096937.

Almost surely, 2^{31130330132332} is an apocalyptic number.

It is an amenable number.

31130330132332 is a deficient number, since it is larger than the sum of its proper divisors (23348416964988).

31130330132332 is a wasteful number, since it uses less digits than its factorization.

31130330132332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95623680 (or 95623678 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31130330132332 its reverse (23323103303113), we get a palindrome (54453433435445).

The spelling of 31130330132332 in words is "thirty-one trillion, one hundred thirty billion, three hundred thirty million, one hundred thirty-two thousand, three hundred thirty-two".