131103311 has 2 divisors, whose sum is σ = 131103312. Its totient is φ = 131103310.

The previous prime is 131103299. The next prime is 131103361. The reversal of 131103311 is 113301131.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (113301131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131103311 - 2¹⁸ = 130841167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131103361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65551655 + 65551656.

It is an arithmetic number, because the mean of its divisors is an integer number (65551656).

Almost surely, 2^131103311 is an apocalyptic number.

131103311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131103311 is an equidigital number, since it uses as much as digits as its factorization.

131103311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 131103311 is about 11450.0354147924. The cubic root of 131103311 is about 508.0087819074.

Adding to 131103311 its reverse (113301131), we get a palindrome (244404442).

The spelling of 131103311 in words is "one hundred thirty-one million, one hundred three thousand, three hundred eleven".