131121230514132 has 48 divisors (see below), whose sum is σ = 308308900705344. Its totient is φ = 43370076672000.

The previous prime is 131121230514073. The next prime is 131121230514161. The reversal of 131121230514132 is 231415032121131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131121230514132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17120532 + ... + 23565972.

It is an arithmetic number, because the mean of its divisors is an integer number (6423102098028).

Almost surely, 2^{131121230514132} is an apocalyptic number.

131121230514132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131121230514132 is an abundant number, since it is smaller than the sum of its proper divisors (177187670191212).

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

131121230514132 is a wasteful number, since it uses less digits than its factorization.

131121230514132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458520 (or 6458518 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 131121230514132 its reverse (231415032121131), we get a palindrome (362536262635263).

The spelling of 131121230514132 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred thirty million, five hundred fourteen thousand, one hundred thirty-two".