20031310232 has 16 divisors (see below), whose sum is σ = 38432165640. Its totient is φ = 9782732736.

The previous prime is 20031310223. The next prime is 20031310289. The reversal of 20031310232 is 23201313002.

It is a super-2 number, since 2×20031310232² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20031310232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29114933 + ... + 29115620.

Almost surely, 2^20031310232 is an apocalyptic number.

It is an amenable number.

20031310232 is a deficient number, since it is larger than the sum of its proper divisors (18400855408).

20031310232 is a wasteful number, since it uses less digits than its factorization.

20031310232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58230602 (or 58230598 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20031310232 its reverse (23201313002), we get a palindrome (43232623234).

The spelling of 20031310232 in words is "twenty billion, thirty-one million, three hundred ten thousand, two hundred thirty-two".