131488711 has 4 divisors (see below), whose sum is σ = 134546632. Its totient is φ = 128430792.

The previous prime is 131488649. The next prime is 131488739. The reversal of 131488711 is 117884131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131488711 - 2⁹ = 131488199 is a prime.

It is a super-2 number, since 2×131488711² = 34578562240883042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131488741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528896 + ... + 1528981.

It is an arithmetic number, because the mean of its divisors is an integer number (33636658).

Almost surely, 2^131488711 is an apocalyptic number.

131488711 is a deficient number, since it is larger than the sum of its proper divisors (3057921).

131488711 is an equidigital number, since it uses as much as digits as its factorization.

131488711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057920.

The product of its digits is 5376, while the sum is 34.

The square root of 131488711 is about 11466.8527068241. The cubic root of 131488711 is about 508.5060870395.

The spelling of 131488711 in words is "one hundred thirty-one million, four hundred eighty-eight thousand, seven hundred eleven".