131402431421144 has 32 divisors (see below), whose sum is σ = 265764674295120. Its totient is φ = 60548340813696.

The previous prime is 131402431421119. The next prime is 131402431421249. The reversal of 131402431421144 is 441124134204131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030511222 + ... + 1030638725.

Almost surely, 2^{131402431421144} is an apocalyptic number.

It is an amenable number.

131402431421144 is an abundant number, since it is smaller than the sum of its proper divisors (134362242873976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131402431421144 is a wasteful number, since it uses less digits than its factorization.

131402431421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061150579 (or 2061150575 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 131402431421144 its reverse (441124134204131), we get a palindrome (572526565625275).

The spelling of 131402431421144 in words is "one hundred thirty-one trillion, four hundred two billion, four hundred thirty-one million, four hundred twenty-one thousand, one hundred forty-four".