10031321102243 has 4 divisors (see below), whose sum is σ = 11464366974000. Its totient is φ = 8598275230488.

The previous prime is 10031321102237. The next prime is 10031321102347. The reversal of 10031321102243 is 34220112313001.

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-10031321102243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10031321102233) 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, 716522935868 + ... + 716522935881.

It is an arithmetic number, because the mean of its divisors is an integer number (2866091743500).

Almost surely, 2^{10031321102243} is an apocalyptic number.

10031321102243 is a deficient number, since it is larger than the sum of its proper divisors (1433045871757).

10031321102243 is an equidigital number, since it uses as much as digits as its factorization.

10031321102243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433045871756.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10031321102243 its reverse (34220112313001), we get a palindrome (44251433415244).

The spelling of 10031321102243 in words is "ten trillion, thirty-one billion, three hundred twenty-one million, one hundred two thousand, two hundred forty-three".