131121343001250 has 240 divisors, whose sum is σ = 406590800945472. Its totient is φ = 29906407440000.

The previous prime is 131121343001191. The next prime is 131121343001263. The reversal of 131121343001250 is 52100343121131.

131121343001250 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 213 + 430 + 0 + 12 + 5 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 34993560 + ... + 38558940.

Almost surely, 2^{131121343001250} is an apocalyptic number.

131121343001250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131121343001250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203295400472736).

131121343001250 is an abundant number, since it is smaller than the sum of its proper divisors (275469457944222).

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

131121343001250 is a wasteful number, since it uses less digits than its factorization.

131121343001250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565883 (or 3565865 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 131121343001250 its reverse (52100343121131), we get a palindrome (183221686122381).

The spelling of 131121343001250 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred forty-three million, one thousand, two hundred fifty".