10020331331 has 4 divisors (see below), whose sum is σ = 10021501200. Its totient is φ = 10019161464.

The previous prime is 10020331327. The next prime is 10020331339. The reversal of 10020331331 is 13313302001.

10020331331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10020331331 - 2² = 10020331327 is a prime.

It is a super-2 number, since 2×10020331331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020331339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571991 + ... + 589248.

It is an arithmetic number, because the mean of its divisors is an integer number (2505375300).

Almost surely, 2^10020331331 is an apocalyptic number.

10020331331 is a deficient number, since it is larger than the sum of its proper divisors (1169869).

10020331331 is an equidigital number, since it uses as much as digits as its factorization.

10020331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169868.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 10020331331 its reverse (13313302001), we get a palindrome (23333633332).

The spelling of 10020331331 in words is "ten billion, twenty million, three hundred thirty-one thousand, three hundred thirty-one".