131022060652 has 24 divisors (see below), whose sum is σ = 265201284096. Its totient is φ = 55475776848.

The previous prime is 131022060643. The next prime is 131022060683. The reversal of 131022060652 is 256060220131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 131022060652.

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, 28186588 + ... + 28191235.

It is an arithmetic number, because the mean of its divisors is an integer number (11050053504).

Almost surely, 2^131022060652 is an apocalyptic number.

It is an amenable number.

131022060652 is an abundant number, since it is smaller than the sum of its proper divisors (134179223444).

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

131022060652 is a wasteful number, since it uses less digits than its factorization.

131022060652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56377917 (or 56377915 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 131022060652 its reverse (256060220131), we get a palindrome (387082280783).

The spelling of 131022060652 in words is "one hundred thirty-one billion, twenty-two million, sixty thousand, six hundred fifty-two".