131423131401402 has 8 divisors (see below), whose sum is σ = 262846262802816. Its totient is φ = 43807710467132.

The previous prime is 131423131401383. The next prime is 131423131401407. The reversal of 131423131401402 is 204104131324131.

It is a sphenic number, since it is the product of 3 distinct primes.

131423131401402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 131423131401402.

It is not an unprimeable number, because it can be changed into a prime (131423131401407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10951927616778 + ... + 10951927616789.

It is an arithmetic number, because the mean of its divisors is an integer number (32855782850352).

Almost surely, 2^{131423131401402} is an apocalyptic number.

131423131401402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131423131401402 is a wasteful number, since it uses less digits than its factorization.

131423131401402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21903855233572.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131423131401402 its reverse (204104131324131), we get a palindrome (335527262725533).

The spelling of 131423131401402 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred thirty-one million, four hundred one thousand, four hundred two".