131213010231242 has 32 divisors (see below), whose sum is σ = 204214823265600. Its totient is φ = 63155104595968.

The previous prime is 131213010231223. The next prime is 131213010231283. The reversal of 131213010231242 is 242132010312131.

It is a super-3 number, since 3×131213010231242³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38891978 + ... + 42130890.

It is an arithmetic number, because the mean of its divisors is an integer number (6381713227050).

Almost surely, 2^{131213010231242} is an apocalyptic number.

131213010231242 is a deficient number, since it is larger than the sum of its proper divisors (73001813034358).

131213010231242 is a wasteful number, since it uses less digits than its factorization.

131213010231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241030.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131213010231242 its reverse (242132010312131), we get a palindrome (373345020543373).

The spelling of 131213010231242 in words is "one hundred thirty-one trillion, two hundred thirteen billion, ten million, two hundred thirty-one thousand, two hundred forty-two".