10031231121313 has 4 divisors (see below), whose sum is σ = 10130550241428. Its totient is φ = 9931912001200.

The previous prime is 10031231121311. The next prime is 10031231121389. The reversal of 10031231121313 is 31312113213001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7461327160849 + 2569903960464 = 2731543^2 + 1603092^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031231121313 - 2¹ = 10031231121311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10031231121311) 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, 49659559906 + ... + 49659560107.

It is an arithmetic number, because the mean of its divisors is an integer number (2532637560357).

Almost surely, 2^{10031231121313} is an apocalyptic number.

It is an amenable number.

10031231121313 is a deficient number, since it is larger than the sum of its proper divisors (99319120115).

10031231121313 is an equidigital number, since it uses as much as digits as its factorization.

10031231121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99319120114.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 10031231121313 its reverse (31312113213001), we get a palindrome (41343344334314).

The spelling of 10031231121313 in words is "ten trillion, thirty-one billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred thirteen".