131213352452 has 48 divisors (see below), whose sum is σ = 283046679552. Its totient is φ = 51828992640.

The previous prime is 131213352433. The next prime is 131213352463. The reversal of 131213352452 is 254253312131.

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 15 ways as a sum of consecutive naturals, for example, 38324 + ... + 513707.

It is an arithmetic number, because the mean of its divisors is an integer number (5896805824).

Almost surely, 2^131213352452 is an apocalyptic number.

It is an amenable number.

131213352452 is an abundant number, since it is smaller than the sum of its proper divisors (151833327100).

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

131213352452 is a wasteful number, since it uses less digits than its factorization.

131213352452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552708 (or 552706 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 131213352452 its reverse (254253312131), we get a palindrome (385466664583).

The spelling of 131213352452 in words is "one hundred thirty-one billion, two hundred thirteen million, three hundred fifty-two thousand, four hundred fifty-two".