131300111985 has 32 divisors (see below), whose sum is σ = 240946106112. Its totient is φ = 59809290240.

The previous prime is 131300111981. The next prime is 131300111989. The reversal of 131300111985 is 589111003131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131300111981) and next prime (131300111989).

It is not a de Polignac number, because 131300111985 - 2² = 131300111981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131300111981) 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, 2195544 + ... + 2254553.

It is an arithmetic number, because the mean of its divisors is an integer number (7529565816).

Almost surely, 2^131300111985 is an apocalyptic number.

131300111985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131300111985 is a deficient number, since it is larger than the sum of its proper divisors (109645994127).

131300111985 is a wasteful number, since it uses less digits than its factorization.

131300111985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450393.

The product of its (nonzero) digits is 3240, while the sum is 33.

The spelling of 131300111985 in words is "one hundred thirty-one billion, three hundred million, one hundred eleven thousand, nine hundred eighty-five".