10012020331 has 4 divisors (see below), whose sum is σ = 10032085000. Its totient is φ = 9991955664.

The previous prime is 10012020311. The next prime is 10012020353. The reversal of 10012020331 is 13302021001.

10012020331 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 13302021001 = 100153 ⋅132817.

It is a cyclic number.

It is not a de Polignac number, because 10012020331 - 2²⁷ = 9877802603 is a prime.

It is a super-2 number, since 2×10012020331² (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 (10012020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10031586 + ... + 10032583.

It is an arithmetic number, because the mean of its divisors is an integer number (2508021250).

Almost surely, 2^10012020331 is an apocalyptic number.

10012020331 is a deficient number, since it is larger than the sum of its proper divisors (20064669).

10012020331 is an equidigital number, since it uses as much as digits as its factorization.

10012020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064668.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10012020331 its reverse (13302021001), we get a palindrome (23314041332).

The spelling of 10012020331 in words is "ten billion, twelve million, twenty thousand, three hundred thirty-one".