131020224442004 has 12 divisors (see below), whose sum is σ = 232047867385824. Its totient is φ = 64720833760344.

The previous prime is 131020224441989. The next prime is 131020224442061. The reversal of 131020224442004 is 400244422020131.

It is a happy number.

131020224442004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 197319614792 + ... + 197319615455.

It is an arithmetic number, because the mean of its divisors is an integer number (19337322282152).

Almost surely, 2^{131020224442004} is an apocalyptic number.

It is an amenable number.

131020224442004 is a deficient number, since it is larger than the sum of its proper divisors (101027642943820).

131020224442004 is a wasteful number, since it uses less digits than its factorization.

131020224442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394639230334 (or 394639230332 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 131020224442004 its reverse (400244422020131), we get a palindrome (531264646462135).

The spelling of 131020224442004 in words is "one hundred thirty-one trillion, twenty billion, two hundred twenty-four million, four hundred forty-two thousand, four".