10131001320331 has 4 divisors (see below), whose sum is σ = 10131940343200. Its totient is φ = 10130062297464.

The previous prime is 10131001320317. The next prime is 10131001320359. The reversal of 10131001320331 is 13302310013101.

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

It is a cyclic number.

It is not a de Polignac number, because 10131001320331 - 2¹¹ = 10131001318283 is a prime.

It is a super-2 number, since 2×10131001320331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10131001320299 and 10131001320308.

It is not an unprimeable number, because it can be changed into a prime (10131001320361) 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, 469495251 + ... + 469516828.

It is an arithmetic number, because the mean of its divisors is an integer number (2532985085800).

Almost surely, 2^{10131001320331} is an apocalyptic number.

10131001320331 is a deficient number, since it is larger than the sum of its proper divisors (939022869).

10131001320331 is an equidigital number, since it uses as much as digits as its factorization.

10131001320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939022868.

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

Adding to 10131001320331 its reverse (13302310013101), we get a palindrome (23433311333432).

The spelling of 10131001320331 in words is "ten trillion, one hundred thirty-one billion, one million, three hundred twenty thousand, three hundred thirty-one".