131337511 has 2 divisors, whose sum is σ = 131337512. Its totient is φ = 131337510.

The previous prime is 131337509. The next prime is 131337541. The reversal of 131337511 is 115733131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131337511 - 2¹ = 131337509 is a prime.

Together with 131337509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131337541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65668755 + 65668756.

It is an arithmetic number, because the mean of its divisors is an integer number (65668756).

Almost surely, 2^131337511 is an apocalyptic number.

131337511 is a deficient number, since it is larger than the sum of its proper divisors (1).

131337511 is an equidigital number, since it uses as much as digits as its factorization.

131337511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 945, while the sum is 25.

The square root of 131337511 is about 11460.2578941314. The cubic root of 131337511 is about 508.3111004400.

The spelling of 131337511 in words is "one hundred thirty-one million, three hundred thirty-seven thousand, five hundred eleven".