131442022032402 has 64 divisors (see below), whose sum is σ = 265901875531776. Its totient is φ = 43314173054400.

The previous prime is 131442022032383. The next prime is 131442022032407. The reversal of 131442022032402 is 204230220244131.

It is a self number, because there is not a number n which added to its sum of digits gives 131442022032402.

It is not an unprimeable number, because it can be changed into a prime (131442022032407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233946688 + ... + 234507860.

It is an arithmetic number, because the mean of its divisors is an integer number (4154716805184).

Almost surely, 2^{131442022032402} is an apocalyptic number.

131442022032402 is an abundant number, since it is smaller than the sum of its proper divisors (134459853499374).

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

131442022032402 is a wasteful number, since it uses less digits than its factorization.

131442022032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562575.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131442022032402 its reverse (204230220244131), we get a palindrome (335672242276533).

The spelling of 131442022032402 in words is "one hundred thirty-one trillion, four hundred forty-two billion, twenty-two million, thirty-two thousand, four hundred two".