131402321032432 has 40 divisors (see below), whose sum is σ = 255416288025600. Its totient is φ = 65488449631680.

The previous prime is 131402321032427. The next prime is 131402321032457. The reversal of 131402321032432 is 234230123204131.

It is a junction number, because it is equal to n+sod(n) for n = 131402321032394 and 131402321032403.

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, 244545853 + ... + 245082595.

It is an arithmetic number, because the mean of its divisors is an integer number (6385407200640).

Almost surely, 2^{131402321032432} is an apocalyptic number.

It is an amenable number.

131402321032432 is a deficient number, since it is larger than the sum of its proper divisors (124013966993168).

131402321032432 is a wasteful number, since it uses less digits than its factorization.

131402321032432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586261 (or 586255 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131402321032432 its reverse (234230123204131), we get a palindrome (365632444236563).

The spelling of 131402321032432 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred twenty-one million, thirty-two thousand, four hundred thirty-two".