131403431550052 has 12 divisors (see below), whose sum is σ = 230025415439596. Its totient is φ = 65681884281600.

The previous prime is 131403431550049. The next prime is 131403431550071. The reversal of 131403431550052 is 250055134304131.

It can be written as a sum of positive squares in 2 ways, for example, as 101592006269796 + 29811425280256 = 10079286^2 + 5459984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131403431549993 and 131403431550020.

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, 4957858449 + ... + 4957884952.

Almost surely, 2^{131403431550052} is an apocalyptic number.

It is an amenable number.

131403431550052 is a deficient number, since it is larger than the sum of its proper divisors (98621983889544).

131403431550052 is a wasteful number, since it uses less digits than its factorization.

131403431550052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915746718 (or 9915746716 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 131403431550052 its reverse (250055134304131), we get a palindrome (381458565854183).

The spelling of 131403431550052 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-one million, five hundred fifty thousand, fifty-two".