20301031312 has 40 divisors (see below), whose sum is σ = 40154608512. Its totient is φ = 9940022400.

The previous prime is 20301031291. The next prime is 20301031369. The reversal of 20301031312 is 21313010302.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175737 + ... + 267367.

Almost surely, 2^20301031312 is an apocalyptic number.

It is an amenable number.

20301031312 is a deficient number, since it is larger than the sum of its proper divisors (19853577200).

20301031312 is a wasteful number, since it uses less digits than its factorization.

20301031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91927 (or 91921 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20301031312 its reverse (21313010302), we get a palindrome (41614041614).

The spelling of 20301031312 in words is "twenty billion, three hundred one million, thirty-one thousand, three hundred twelve".