20431114312 has 16 divisors (see below), whose sum is σ = 43780959360. Its totient is φ = 8756191824.

The previous prime is 20431114289. The next prime is 20431114321. The reversal of 20431114312 is 21341113402.

It is a super-2 number, since 2×20431114312² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182420608 + ... + 182420719.

It is an arithmetic number, because the mean of its divisors is an integer number (2736309960).

Almost surely, 2^20431114312 is an apocalyptic number.

It is an amenable number.

20431114312 is an abundant number, since it is smaller than the sum of its proper divisors (23349845048).

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

20431114312 is a wasteful number, since it uses less digits than its factorization.

20431114312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364841340 (or 364841336 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20431114312 its reverse (21341113402), we get a palindrome (41772227714).

The spelling of 20431114312 in words is "twenty billion, four hundred thirty-one million, one hundred fourteen thousand, three hundred twelve".