20323010331 has 18 divisors (see below), whose sum is σ = 31787274948. Its totient is φ = 12506466960.

The previous prime is 20323010303. The next prime is 20323010341. The reversal of 20323010331 is 13301032302.

20323010331 is a `hidden beast` number, since 2 + 0 + 32 + 301 + 0 + 331 = 666.

It is not a de Polignac number, because 20323010331 - 2¹⁹ = 20322486043 is a prime.

It is a super-2 number, since 2×20323010331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20323010341) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6679285 + ... + 6682326.

Almost surely, 2^20323010331 is an apocalyptic number.

20323010331 is a deficient number, since it is larger than the sum of its proper divisors (11464264617).

20323010331 is a wasteful number, since it uses less digits than its factorization.

20323010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13361643 (or 13361627 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20323010331 its reverse (13301032302), we get a palindrome (33624042633).

The spelling of 20323010331 in words is "twenty billion, three hundred twenty-three million, ten thousand, three hundred thirty-one".