131004311 has 2 divisors, whose sum is σ = 131004312. Its totient is φ = 131004310.

The previous prime is 131004299. The next prime is 131004337. The reversal of 131004311 is 113400131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131004311 - 2¹⁰ = 131003287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131004011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65502155 + 65502156.

It is an arithmetic number, because the mean of its divisors is an integer number (65502156).

Almost surely, 2^131004311 is an apocalyptic number.

131004311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131004311 is an equidigital number, since it uses as much as digits as its factorization.

131004311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131004311 is about 11445.7114676197. The cubic root of 131004311 is about 507.8808788729.

Adding to 131004311 its reverse (113400131), we get a palindrome (244404442).

The spelling of 131004311 in words is "one hundred thirty-one million, four thousand, three hundred eleven".