131663511024 has 40 divisors (see below), whose sum is σ = 340285125120. Its totient is φ = 43867915968.

The previous prime is 131663511011. The next prime is 131663511029. The reversal of 131663511024 is 420115366131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131663511029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515494 + ... + 727365.

It is an arithmetic number, because the mean of its divisors is an integer number (8507128128).

Almost surely, 2^131663511024 is an apocalyptic number.

It is an amenable number.

131663511024 is an abundant number, since it is smaller than the sum of its proper divisors (208621614096).

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

131663511024 is a wasteful number, since it uses less digits than its factorization.

131663511024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245077 (or 1245071 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 131663511024 its reverse (420115366131), we get a palindrome (551778877155).

The spelling of 131663511024 in words is "one hundred thirty-one billion, six hundred sixty-three million, five hundred eleven thousand, twenty-four".