131181116339 has 32 divisors (see below), whose sum is σ = 170681172480. Its totient is φ = 97906620672.

The previous prime is 131181116327. The next prime is 131181116351. The reversal of 131181116339 is 933611181131.

It is an interprime number because it is at equal distance from previous prime (131181116327) and next prime (131181116351).

It is not a de Polignac number, because 131181116339 - 2⁴ = 131181116323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131181116399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240044 + ... + 565670.

It is an arithmetic number, because the mean of its divisors is an integer number (5333786640).

Almost surely, 2^131181116339 is an apocalyptic number.

131181116339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131181116339 is a deficient number, since it is larger than the sum of its proper divisors (39500056141).

131181116339 is a wasteful number, since it uses less digits than its factorization.

131181116339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325899.

The product of its digits is 11664, while the sum is 38.

The spelling of 131181116339 in words is "one hundred thirty-one billion, one hundred eighty-one million, one hundred sixteen thousand, three hundred thirty-nine".