10131320331 has 24 divisors (see below), whose sum is σ = 15974861760. Its totient is φ = 6136210800.

The previous prime is 10131320281. The next prime is 10131320341. The reversal of 10131320331 is 13302313101.

It is a happy number.

10131320331 is a `hidden beast` number, since 1 + 0 + 1 + 313 + 20 + 331 = 666.

10131320331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10131320331 - 2²³ = 10122931723 is a prime.

It is a super-2 number, since 2×10131320331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10131320341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123916 + ... + 188726.

It is an arithmetic number, because the mean of its divisors is an integer number (665619240).

Almost surely, 2^10131320331 is an apocalyptic number.

10131320331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10131320331 is a deficient number, since it is larger than the sum of its proper divisors (5843541429).

10131320331 is a wasteful number, since it uses less digits than its factorization.

10131320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66407 (or 66404 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 10131320331 its reverse (13302313101), we get a palindrome (23433633432).

The spelling of 10131320331 in words is "ten billion, one hundred thirty-one million, three hundred twenty thousand, three hundred thirty-one".