131024021402444 has 24 divisors (see below), whose sum is σ = 234893214586800. Its totient is φ = 63911792587520.

The previous prime is 131024021402371. The next prime is 131024021402447. The reversal of 131024021402444 is 444204120420131.

It is a self number, because there is not a number n which added to its sum of digits gives 131024021402444.

It is not an unprimeable number, because it can be changed into a prime (131024021402447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10325009 + ... + 19200360.

It is an arithmetic number, because the mean of its divisors is an integer number (9787217274450).

Almost surely, 2^{131024021402444} is an apocalyptic number.

It is an amenable number.

131024021402444 is a deficient number, since it is larger than the sum of its proper divisors (103869193184356).

131024021402444 is a wasteful number, since it uses less digits than its factorization.

131024021402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29552473 (or 29552471 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 131024021402444 its reverse (444204120420131), we get a palindrome (575228141822575).

The spelling of 131024021402444 in words is "one hundred thirty-one trillion, twenty-four billion, twenty-one million, four hundred two thousand, four hundred forty-four".