131021424024442 has 16 divisors (see below), whose sum is σ = 228290256381312. Its totient is φ = 55231513639920.

The previous prime is 131021424024437. The next prime is 131021424024457. The reversal of 131021424024442 is 244420424120131.

It is a super-2 number, since 2×131021424024442² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131021424024398 and 131021424024407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76710434758 + ... + 76710436465.

It is an arithmetic number, because the mean of its divisors is an integer number (14268141023832).

Almost surely, 2^{131021424024442} is an apocalyptic number.

131021424024442 is a deficient number, since it is larger than the sum of its proper divisors (97268832356870).

131021424024442 is a wasteful number, since it uses less digits than its factorization.

131021424024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153420871293.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 131021424024442 its reverse (244420424120131), we get a palindrome (375441848144573).

The spelling of 131021424024442 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred twenty-four million, twenty-four thousand, four hundred forty-two".