131556343050 has 384 divisors, whose sum is σ = 402145689600. Its totient is φ = 31358880000.

The previous prime is 131556342989. The next prime is 131556343133. The reversal of 131556343050 is 50343655131.

131556343050 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 563 + 43 + 0 + 50 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131556342996 and 131556343014.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 358463967 + ... + 358464333.

It is an arithmetic number, because the mean of its divisors is an integer number (1047254400).

Almost surely, 2^131556343050 is an apocalyptic number.

131556343050 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 131556343050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201072844800).

131556343050 is an abundant number, since it is smaller than the sum of its proper divisors (270589346550).

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

131556343050 is a wasteful number, since it uses less digits than its factorization.

131556343050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 131556343050 its reverse (50343655131), we get a palindrome (181899998181).

It can be divided in two parts, 1315 and 56343050, that added together give a palindrome (56344365).

The spelling of 131556343050 in words is "one hundred thirty-one billion, five hundred fifty-six million, three hundred forty-three thousand, fifty".