10031323213 has 4 divisors (see below), whose sum is σ = 10377230940. Its totient is φ = 9685415488.

The previous prime is 10031323207. The next prime is 10031323243. The reversal of 10031323213 is 31232313001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31232313001 = 26183 ⋅1192847.

It can be written as a sum of positive squares in 2 ways, for example, as 2856047364 + 7175275849 = 53442^2 + 84707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10031323213 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 (10031323243) 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, 172953820 + ... + 172953877.

It is an arithmetic number, because the mean of its divisors is an integer number (2594307735).

Almost surely, 2^10031323213 is an apocalyptic number.

It is an amenable number.

10031323213 is a deficient number, since it is larger than the sum of its proper divisors (345907727).

10031323213 is an equidigital number, since it uses as much as digits as its factorization.

10031323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345907726.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10031323213 its reverse (31232313001), we get a palindrome (41263636214).

The spelling of 10031323213 in words is "ten billion, thirty-one million, three hundred twenty-three thousand, two hundred thirteen".