131411305 has 8 divisors (see below), whose sum is σ = 164549952. Its totient is φ = 100558128.

The previous prime is 131411299. The next prime is 131411317. The reversal of 131411305 is 503114131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131411305 - 2³ = 131411297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571239 + ... + 571468.

It is an arithmetic number, because the mean of its divisors is an integer number (20568744).

Almost surely, 2^131411305 is an apocalyptic number.

It is an amenable number.

131411305 is a deficient number, since it is larger than the sum of its proper divisors (33138647).

131411305 is a wasteful number, since it uses less digits than its factorization.

131411305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142735.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 131411305 is about 11463.4770030737. The cubic root of 131411305 is about 508.4062834181.

Adding to 131411305 its reverse (503114131), we get a palindrome (634525436).

The spelling of 131411305 in words is "one hundred thirty-one million, four hundred eleven thousand, three hundred five".