20310431004304 has 40 divisors (see below), whose sum is σ = 45478412945280. Its totient is φ = 8606667387648.

The previous prime is 20310431004301. The next prime is 20310431004307. The reversal of 20310431004304 is 40340013401302.

It is an interprime number because it is at equal distance from previous prime (20310431004301) and next prime (20310431004307).

It is not an unprimeable number, because it can be changed into a prime (20310431004301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018771684 + ... + 1018791619.

It is an arithmetic number, because the mean of its divisors is an integer number (1136960323632).

Almost surely, 2^{20310431004304} is an apocalyptic number.

It is an amenable number.

20310431004304 is an abundant number, since it is smaller than the sum of its proper divisors (25167981940976).

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

20310431004304 is a wasteful number, since it uses less digits than its factorization.

20310431004304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037563407 (or 2037563401 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20310431004304 its reverse (40340013401302), we get a palindrome (60650444405606).

The spelling of 20310431004304 in words is "twenty trillion, three hundred ten billion, four hundred thirty-one million, four thousand, three hundred four".