131011344234402 has 8 divisors (see below), whose sum is σ = 262022688468816. Its totient is φ = 43670448078132.

The previous prime is 131011344234401. The next prime is 131011344234439. The reversal of 131011344234402 is 204432443110131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

131011344234402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131011344234401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10917612019528 + ... + 10917612019539.

It is an arithmetic number, because the mean of its divisors is an integer number (32752836058602).

Almost surely, 2^{131011344234402} is an apocalyptic number.

131011344234402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131011344234402 is a wasteful number, since it uses less digits than its factorization.

131011344234402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21835224039072.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131011344234402 its reverse (204432443110131), we get a palindrome (335443787344533).

The spelling of 131011344234402 in words is "one hundred thirty-one trillion, eleven billion, three hundred forty-four million, two hundred thirty-four thousand, four hundred two".