10131311 has 2 divisors, whose sum is σ = 10131312. Its totient is φ = 10131310.

The previous prime is 10131301. The next prime is 10131323. The reversal of 10131311 is 11313101.

It is a happy number.

10131311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10131311 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10131292 and 10131301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10131301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065655 + 5065656.

It is an arithmetic number, because the mean of its divisors is an integer number (5065656).

Almost surely, 2^10131311 is an apocalyptic number.

10131311 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131311 is an equidigital number, since it uses as much as digits as its factorization.

10131311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 10131311 is about 3182.9720388341. The cubic root of 10131311 is about 216.3823745415.

Adding to 10131311 its reverse (11313101), we get a palindrome (21444412).

The spelling of 10131311 in words is "ten million, one hundred thirty-one thousand, three hundred eleven".