131351305 has 8 divisors (see below), whose sum is σ = 157694400. Its totient is φ = 105032496.

The previous prime is 131351303. The next prime is 131351317. The reversal of 131351305 is 503153131.

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 131351305 - 2¹ = 131351303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131351303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9436 + ... + 18754.

It is an arithmetic number, because the mean of its divisors is an integer number (19711800).

Almost surely, 2^131351305 is an apocalyptic number.

It is an amenable number.

131351305 is a deficient number, since it is larger than the sum of its proper divisors (26343095).

131351305 is an equidigital number, since it uses as much as digits as its factorization.

131351305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 131351305 is about 11460.8596972478. The cubic root of 131351305 is about 508.3288953000.

The spelling of 131351305 in words is "one hundred thirty-one million, three hundred fifty-one thousand, three hundred five".