242543031129 has 160 divisors (see below), whose sum is σ = 443043532800. Its totient is φ = 129154072320.

The previous prime is 242543031121. The next prime is 242543031131. The reversal of 242543031129 is 921130345242.

242543031129 is a `hidden beast` number, since 242 + 54 + 30 + 311 + 29 = 666.

It is not a de Polignac number, because 242543031129 - 2³ = 242543031121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242543031093 and 242543031102.

It is not an unprimeable number, because it can be changed into a prime (242543031121) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 443405634 + ... + 443406180.

It is an arithmetic number, because the mean of its divisors is an integer number (2769022080).

Almost surely, 2^242543031129 is an apocalyptic number.

It is an amenable number.

242543031129 is a deficient number, since it is larger than the sum of its proper divisors (200500501671).

242543031129 is a wasteful number, since it uses less digits than its factorization.

242543031129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 242543031129 in words is "two hundred forty-two billion, five hundred forty-three million, thirty-one thousand, one hundred twenty-nine".