131320623216 has 40 divisors (see below), whose sum is σ = 350188332544. Its totient is φ = 42361490880.

The previous prime is 131320623209. The next prime is 131320623223. The reversal of 131320623216 is 612326023131.

It is an interprime number because it is at equal distance from previous prime (131320623209) and next prime (131320623223).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44125066 + ... + 44128041.

Almost surely, 2^131320623216 is an apocalyptic number.

131320623216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131320623216 is an abundant number, since it is smaller than the sum of its proper divisors (218867709328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131320623216 is a wasteful number, since it uses less digits than its factorization.

131320623216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88253149 (or 88253143 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 131320623216 its reverse (612326023131), we get a palindrome (743646646347).

The spelling of 131320623216 in words is "one hundred thirty-one billion, three hundred twenty million, six hundred twenty-three thousand, two hundred sixteen".