131433211402344 has 96 divisors (see below), whose sum is σ = 365000025990600. Its totient is φ = 42701129717760.

The previous prime is 131433211402331. The next prime is 131433211402373. The reversal of 131433211402344 is 443204112334131.

131433211402344 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 3 + 3 + 211 + 402 + 34 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 82910312360100 + 48522899042244 = 9105510^2 + 6965838^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 131433211402299 and 131433211402308.

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 23 ways as a sum of consecutive naturals, for example, 18501139 + ... + 24599970.

Almost surely, 2^{131433211402344} is an apocalyptic number.

It is an amenable number.

131433211402344 is an abundant number, since it is smaller than the sum of its proper divisors (233566814588256).

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

131433211402344 is a wasteful number, since it uses less digits than its factorization.

131433211402344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43102195 (or 43102188 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 131433211402344 its reverse (443204112334131), we get a palindrome (574637323736475).

The spelling of 131433211402344 in words is "one hundred thirty-one trillion, four hundred thirty-three billion, two hundred eleven million, four hundred two thousand, three hundred forty-four".