131403234121242 has 8 divisors (see below), whose sum is σ = 262806468242496. Its totient is φ = 43801078040412.

The previous prime is 131403234121219. The next prime is 131403234121277. The reversal of 131403234121242 is 242121432304131.

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

131403234121242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10950269510098 + ... + 10950269510109.

It is an arithmetic number, because the mean of its divisors is an integer number (32850808530312).

Almost surely, 2^{131403234121242} is an apocalyptic number.

131403234121242 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.

131403234121242 is a wasteful number, since it uses less digits than its factorization.

131403234121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21900539020212.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131403234121242 its reverse (242121432304131), we get a palindrome (373524666425373).

The spelling of 131403234121242 in words is "one hundred thirty-one trillion, four hundred three billion, two hundred thirty-four million, one hundred twenty-one thousand, two hundred forty-two".