10131331321 has 4 divisors (see below), whose sum is σ = 10132117632. Its totient is φ = 10130545012.

The previous prime is 10131331307. The next prime is 10131331333. The reversal of 10131331321 is 12313313101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10131331321 - 2⁹ = 10131330809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10131301321) 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 3 ways as a sum of consecutive naturals, for example, 373501 + ... + 399706.

It is an arithmetic number, because the mean of its divisors is an integer number (2533029408).

Almost surely, 2^10131331321 is an apocalyptic number.

It is an amenable number.

10131331321 is a deficient number, since it is larger than the sum of its proper divisors (786311).

10131331321 is an equidigital number, since it uses as much as digits as its factorization.

10131331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786310.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 10131331321 its reverse (12313313101), we get a palindrome (22444644422).

The spelling of 10131331321 in words is "ten billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-one".