131523434052 has 24 divisors (see below), whose sum is σ = 308602476000. Its totient is φ = 43596221376.

The previous prime is 131523434023. The next prime is 131523434069. The reversal of 131523434052 is 250434325131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30613177 + ... + 30617472.

It is an arithmetic number, because the mean of its divisors is an integer number (12858436500).

Almost surely, 2^131523434052 is an apocalyptic number.

131523434052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131523434052 is an abundant number, since it is smaller than the sum of its proper divisors (177079041948).

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

131523434052 is a wasteful number, since it uses less digits than its factorization.

131523434052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61230835 (or 61230833 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 131523434052 its reverse (250434325131), we get a palindrome (381957759183).

The spelling of 131523434052 in words is "one hundred thirty-one billion, five hundred twenty-three million, four hundred thirty-four thousand, fifty-two".