20303232031 has 8 divisors (see below), whose sum is σ = 20408993280. Its totient is φ = 20197695648.

The previous prime is 20303232017. The next prime is 20303232119. The reversal of 20303232031 is 13023230302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20303232031 - 2¹³ = 20303223839 is a prime.

It is a super-2 number, since 2×20303232031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303212031) 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, 126370 + ... + 237856.

It is an arithmetic number, because the mean of its divisors is an integer number (2551124160).

Almost surely, 2^20303232031 is an apocalyptic number.

20303232031 is a deficient number, since it is larger than the sum of its proper divisors (105761249).

20303232031 is a wasteful number, since it uses less digits than its factorization.

20303232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112433.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20303232031 its reverse (13023230302), we get a palindrome (33326462333).

The spelling of 20303232031 in words is "twenty billion, three hundred three million, two hundred thirty-two thousand, thirty-one".