131003311 has 2 divisors, whose sum is σ = 131003312. Its totient is φ = 131003310.

The previous prime is 131003287. The next prime is 131003321. The reversal of 131003311 is 113300131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131003311 - 2²¹ = 128906159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131003291 and 131003300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131003321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65501655 + 65501656.

It is an arithmetic number, because the mean of its divisors is an integer number (65501656).

Almost surely, 2^131003311 is an apocalyptic number.

131003311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131003311 is an equidigital number, since it uses as much as digits as its factorization.

131003311 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 13.

The square root of 131003311 is about 11445.6677830522. The cubic root of 131003311 is about 507.8795865944.

Adding to 131003311 its reverse (113300131), we get a palindrome (244303442).

The spelling of 131003311 in words is "one hundred thirty-one million, three thousand, three hundred eleven".