131142132033402 has 48 divisors (see below), whose sum is σ = 305120718981792. Its totient is φ = 37467395673120.

The previous prime is 131142132033371. The next prime is 131142132033463. The reversal of 131142132033402 is 204330231241131.

It is a self number, because there is not a number n which added to its sum of digits gives 131142132033402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4436124 + ... + 16791767.

It is an arithmetic number, because the mean of its divisors is an integer number (6356681645454).

Almost surely, 2^{131142132033402} is an apocalyptic number.

131142132033402 is an abundant number, since it is smaller than the sum of its proper divisors (173978586948390).

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

131142132033402 is a wasteful number, since it uses less digits than its factorization.

131142132033402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21248923 (or 21248916 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131142132033402 its reverse (204330231241131), we get a palindrome (335472363274533).

The spelling of 131142132033402 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty-two million, thirty-three thousand, four hundred two".