131026322645250 has 64 divisors (see below), whose sum is σ = 341260905772800. Its totient is φ = 33421206931200.

The previous prime is 131026322645249. The next prime is 131026322645299. The reversal of 131026322645250 is 52546223620131.

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 31 ways as a sum of consecutive naturals, for example, 3797847175 + ... + 3797881674.

It is an arithmetic number, because the mean of its divisors is an integer number (5332201652700).

Almost surely, 2^{131026322645250} is an apocalyptic number.

131026322645250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131026322645250 is an abundant number, since it is smaller than the sum of its proper divisors (210234583127550).

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

131026322645250 is a wasteful number, since it uses less digits than its factorization.

131026322645250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595728892 (or 7595728882 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 131026322645250 in words is "one hundred thirty-one trillion, twenty-six billion, three hundred twenty-two million, six hundred forty-five thousand, two hundred fifty".