10131330331 has 4 divisors (see below), whose sum is σ = 10270115752. Its totient is φ = 9992544912.

The previous prime is 10131330323. The next prime is 10131330367. The reversal of 10131330331 is 13303313101.

It is a happy number.

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 10131330331 - 2³ = 10131330323 is a prime.

It is a super-2 number, since 2×10131330331² (a number of 21 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 = 10131330299 and 10131330308.

It is not an unprimeable number, because it can be changed into a prime (10131330731) 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, 69392601 + ... + 69392746.

It is an arithmetic number, because the mean of its divisors is an integer number (2567528938).

Almost surely, 2^10131330331 is an apocalyptic number.

10131330331 is a deficient number, since it is larger than the sum of its proper divisors (138785421).

10131330331 is an equidigital number, since it uses as much as digits as its factorization.

10131330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138785420.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 10131330331 its reverse (13303313101), we get a palindrome (23434643432).

The spelling of 10131330331 in words is "ten billion, one hundred thirty-one million, three hundred thirty thousand, three hundred thirty-one".