10031021001023 has 4 divisors (see below), whose sum is σ = 10942932001128. Its totient is φ = 9119110000920.

The previous prime is 10031021000999. The next prime is 10031021001031. The reversal of 10031021001023 is 32010012013001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10031021001023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10031021000989 and 10031021001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031021001083) 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, 455955500036 + ... + 455955500057.

It is an arithmetic number, because the mean of its divisors is an integer number (2735733000282).

Almost surely, 2^{10031021001023} is an apocalyptic number.

10031021001023 is a deficient number, since it is larger than the sum of its proper divisors (911911000105).

10031021001023 is an equidigital number, since it uses as much as digits as its factorization.

10031021001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911911000104.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10031021001023 its reverse (32010012013001), we get a palindrome (42041033014024).

The spelling of 10031021001023 in words is "ten trillion, thirty-one billion, twenty-one million, one thousand, twenty-three".