2010021321031 has 4 divisors (see below), whose sum is σ = 2010064406112. Its totient is φ = 2009978235952.

The previous prime is 2010021320999. The next prime is 2010021321059. The reversal of 2010021321031 is 1301231200102.

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 2010021321031 - 2⁵ = 2010021320999 is a prime.

It is a super-2 number, since 2×2010021321031² (a number of 25 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 = 2010021320996 and 2010021321014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010021322031) 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, 21472486 + ... + 21565891.

It is an arithmetic number, because the mean of its divisors is an integer number (502516101528).

Almost surely, 2^{2010021321031} is an apocalyptic number.

2010021321031 is a deficient number, since it is larger than the sum of its proper divisors (43085081).

2010021321031 is an equidigital number, since it uses as much as digits as its factorization.

2010021321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43085080.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2010021321031 its reverse (1301231200102), we get a palindrome (3311252521133).

The spelling of 2010021321031 in words is "two trillion, ten billion, twenty-one million, three hundred twenty-one thousand, thirty-one".