2021031502023 has 8 divisors (see below), whose sum is σ = 2695106087536. Its totient is φ = 1347155625600.

The previous prime is 2021031502019. The next prime is 2021031502057. The reversal of 2021031502023 is 3202051301202.

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

It is not a de Polignac number, because 2021031502023 - 2² = 2021031502019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021031502123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49653538 + ... + 49694223.

It is an arithmetic number, because the mean of its divisors is an integer number (336888260942).

Almost surely, 2^{2021031502023} is an apocalyptic number.

2021031502023 is a deficient number, since it is larger than the sum of its proper divisors (674074585513).

2021031502023 is an equidigital number, since it uses as much as digits as its factorization.

2021031502023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99354545.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 2021031502023 its reverse (3202051301202), we get a palindrome (5223082803225).

The spelling of 2021031502023 in words is "two trillion, twenty-one billion, thirty-one million, five hundred two thousand, twenty-three".