131813411 has 2 divisors, whose sum is σ = 131813412. Its totient is φ = 131813410.

The previous prime is 131813387. The next prime is 131813413. The reversal of 131813411 is 114318131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131813411 - 2⁶ = 131813347 is a prime.

Together with 131813413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131813413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65906705 + 65906706.

It is an arithmetic number, because the mean of its divisors is an integer number (65906706).

Almost surely, 2^131813411 is an apocalyptic number.

131813411 is a deficient number, since it is larger than the sum of its proper divisors (1).

131813411 is an equidigital number, since it uses as much as digits as its factorization.

131813411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

The square root of 131813411 is about 11481.0021775105. The cubic root of 131813411 is about 508.9243135713.

The spelling of 131813411 in words is "one hundred thirty-one million, eight hundred thirteen thousand, four hundred eleven".