131021134344 has 96 divisors (see below), whose sum is σ = 377152027200. Its totient is φ = 40973351040.

The previous prime is 131021134339. The next prime is 131021134369. The reversal of 131021134344 is 443431120131.

131021134344 is a `hidden beast` number, since 1 + 3 + 10 + 211 + 3 + 434 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324027 + ... + 605834.

It is an arithmetic number, because the mean of its divisors is an integer number (3928666950).

Almost surely, 2^131021134344 is an apocalyptic number.

It is an amenable number.

131021134344 is an abundant number, since it is smaller than the sum of its proper divisors (246130892856).

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

131021134344 is a wasteful number, since it uses less digits than its factorization.

131021134344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929995 (or 929988 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131021134344 its reverse (443431120131), we get a palindrome (574452254475).

The spelling of 131021134344 in words is "one hundred thirty-one billion, twenty-one million, one hundred thirty-four thousand, three hundred forty-four".