129600350531 has 2 divisors, whose sum is σ = 129600350532. Its totient is φ = 129600350530.

The previous prime is 129600350497. The next prime is 129600350569. The reversal of 129600350531 is 135053006921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129600350531 is a prime.

It is a super-2 number, since 2×129600350531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 129600350491 and 129600350500.

It is not a weakly prime, because it can be changed into another prime (129600350591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64800175265 + 64800175266.

It is an arithmetic number, because the mean of its divisors is an integer number (64800175266).

Almost surely, 2^129600350531 is an apocalyptic number.

129600350531 is a deficient number, since it is larger than the sum of its proper divisors (1).

129600350531 is an equidigital number, since it uses as much as digits as its factorization.

129600350531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The spelling of 129600350531 in words is "one hundred twenty-nine billion, six hundred million, three hundred fifty thousand, five hundred thirty-one".