242111210331 has 16 divisors (see below), whose sum is σ = 324239984640. Its totient is φ = 160695124800.

The previous prime is 242111210273. The next prime is 242111210359. The reversal of 242111210331 is 133012111242.

It is not a de Polignac number, because 242111210331 - 2²¹ = 242109113179 is a prime.

It is a super-2 number, since 2×242111210331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242111210298 and 242111210307.

It is not an unprimeable number, because it can be changed into a prime (242111212331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7756606 + ... + 7787756.

It is an arithmetic number, because the mean of its divisors is an integer number (20264999040).

Almost surely, 2^242111210331 is an apocalyptic number.

242111210331 is a deficient number, since it is larger than the sum of its proper divisors (82128774309).

242111210331 is a wasteful number, since it uses less digits than its factorization.

242111210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42506.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 242111210331 its reverse (133012111242), we get a palindrome (375123321573).

The spelling of 242111210331 in words is "two hundred forty-two billion, one hundred eleven million, two hundred ten thousand, three hundred thirty-one".