131011132002320 has 40 divisors (see below), whose sum is σ = 304601647996800. Its totient is φ = 52404321000320.

The previous prime is 131011132002301. The next prime is 131011132002337. The reversal of 131011132002320 is 23200231110131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 131011132002292 and 131011132002301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33833231 + ... + 37506129.

It is an arithmetic number, because the mean of its divisors is an integer number (7615041199920).

Almost surely, 2^{131011132002320} is an apocalyptic number.

131011132002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131011132002320 is an abundant number, since it is smaller than the sum of its proper divisors (173590515994480).

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

131011132002320 is a wasteful number, since it uses less digits than its factorization.

131011132002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118783 (or 4118777 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131011132002320 its reverse (23200231110131), we get a palindrome (154211363112451).

The spelling of 131011132002320 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirty-two million, two thousand, three hundred twenty".