131421334515052 has 24 divisors (see below), whose sum is σ = 230693096293632. Its totient is φ = 65509040110800.

The previous prime is 131421334515013. The next prime is 131421334515071. The reversal of 131421334515052 is 250515433124131.

It is a junction number, because it is equal to n+sod(n) for n = 131421334514996 and 131421334515014.

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 7 ways as a sum of consecutive naturals, for example, 25714833 + ... + 30398935.

It is an arithmetic number, because the mean of its divisors is an integer number (9612212345568).

Almost surely, 2^{131421334515052} is an apocalyptic number.

It is an amenable number.

131421334515052 is a deficient number, since it is larger than the sum of its proper divisors (99271761778580).

131421334515052 is a wasteful number, since it uses less digits than its factorization.

131421334515052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705629 (or 4705627 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 131421334515052 its reverse (250515433124131), we get a palindrome (381936767639183).

The spelling of 131421334515052 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, three hundred thirty-four million, five hundred fifteen thousand, fifty-two".