129850272031 has 2 divisors, whose sum is σ = 129850272032. Its totient is φ = 129850272030.

The previous prime is 129850271989. The next prime is 129850272037. The reversal of 129850272031 is 130272058921.

It is a strong prime.

It is an emirp because it is prime and its reverse (130272058921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129850272031 - 2²¹ = 129848174879 is a prime.

It is a super-2 number, since 2×129850272031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129850272037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64925136015 + 64925136016.

It is an arithmetic number, because the mean of its divisors is an integer number (64925136016).

Almost surely, 2^129850272031 is an apocalyptic number.

129850272031 is a deficient number, since it is larger than the sum of its proper divisors (1).

129850272031 is an equidigital number, since it uses as much as digits as its factorization.

129850272031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 129850272031 in words is "one hundred twenty-nine billion, eight hundred fifty million, two hundred seventy-two thousand, thirty-one".