10321020031 has 8 divisors (see below), whose sum is σ = 12018007584. Its totient is φ = 8679671520.

The previous prime is 10321019987. The next prime is 10321020041. The reversal of 10321020031 is 13002012301.

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 10321020031 - 2⁷ = 10321019903 is a prime.

It is a super-2 number, since 2×10321020031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321019993 and 10321020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321020041) 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, 13909360 + ... + 13910101.

It is an arithmetic number, because the mean of its divisors is an integer number (1502250948).

Almost surely, 2^10321020031 is an apocalyptic number.

10321020031 is a deficient number, since it is larger than the sum of its proper divisors (1696987553).

10321020031 is an equidigital number, since it uses as much as digits as its factorization.

10321020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27819521.

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

Adding to 10321020031 its reverse (13002012301), we get a palindrome (23323032332).

The spelling of 10321020031 in words is "ten billion, three hundred twenty-one million, twenty thousand, thirty-one".