242111255031 has 12 divisors (see below), whose sum is σ = 349725853152. Its totient is φ = 161403074496.

The previous prime is 242111255017. The next prime is 242111255041. The reversal of 242111255031 is 130552111242.

It is a happy number.

242111255031 is a `hidden beast` number, since 2 + 42 + 1 + 112 + 5 + 503 + 1 = 666.

It is not a de Polignac number, because 242111255031 - 2⁵ = 242111254999 is a prime.

It is a super-2 number, since 2×242111255031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242111254986 and 242111255004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242111255041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3826 + ... + 695871.

It is an arithmetic number, because the mean of its divisors is an integer number (29143821096).

Almost surely, 2^242111255031 is an apocalyptic number.

242111255031 is a deficient number, since it is larger than the sum of its proper divisors (107614598121).

242111255031 is a wasteful number, since it uses less digits than its factorization.

242111255031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738150 (or 738147 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 242111255031 its reverse (130552111242), we get a palindrome (372663366273).

The spelling of 242111255031 in words is "two hundred forty-two billion, one hundred eleven million, two hundred fifty-five thousand, thirty-one".