131402433512452 has 6 divisors (see below), whose sum is σ = 229954258646798. Its totient is φ = 65701216756224.

The previous prime is 131402433512447. The next prime is 131402433512549. The reversal of 131402433512452 is 254215334204131.

It can be written as a sum of positive squares in only one way, i.e., 88500378911296 + 42902054601156 = 9407464^2 + 6549966^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16425304189053 + ... + 16425304189060.

Almost surely, 2^{131402433512452} is an apocalyptic number.

It is an amenable number.

131402433512452 is a deficient number, since it is larger than the sum of its proper divisors (98551825134346).

131402433512452 is a wasteful number, since it uses less digits than its factorization.

131402433512452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32850608378117 (or 32850608378115 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 131402433512452 its reverse (254215334204131), we get a palindrome (385617767716583).

The spelling of 131402433512452 in words is "one hundred thirty-one trillion, four hundred two billion, four hundred thirty-three million, five hundred twelve thousand, four hundred fifty-two".