131018755 has 8 divisors (see below), whose sum is σ = 179682912. Its totient is φ = 89841408.

The previous prime is 131018753. The next prime is 131018777. The reversal of 131018755 is 557810131.

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 131018755 - 2¹ = 131018753 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (131018753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871662 + ... + 1871731.

It is an arithmetic number, because the mean of its divisors is an integer number (22460364).

Almost surely, 2^131018755 is an apocalyptic number.

131018755 is a deficient number, since it is larger than the sum of its proper divisors (48664157).

131018755 is an equidigital number, since it uses as much as digits as its factorization.

131018755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743405.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 131018755 is about 11446.3424289159. The cubic root of 131018755 is about 507.8995438104.

Adding to 131018755 its reverse (557810131), we get a palindrome (688828886).

The spelling of 131018755 in words is "one hundred thirty-one million, eighteen thousand, seven hundred fifty-five".