242213111031 has 4 divisors (see below), whose sum is σ = 322950814712. Its totient is φ = 161475407352.

The previous prime is 242213111029. The next prime is 242213111083. The reversal of 242213111031 is 130111312242.

242213111031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 242213111031 - 2¹ = 242213111029 is a prime.

It is a super-2 number, since 2×242213111031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242213110989 and 242213111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242213111131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40368851836 + ... + 40368851841.

It is an arithmetic number, because the mean of its divisors is an integer number (80737703678).

Almost surely, 2^242213111031 is an apocalyptic number.

242213111031 is a deficient number, since it is larger than the sum of its proper divisors (80737703681).

242213111031 is an equidigital number, since it uses as much as digits as its factorization.

242213111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80737703680.

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

Adding to 242213111031 its reverse (130111312242), we get a palindrome (372324423273).

The spelling of 242213111031 in words is "two hundred forty-two billion, two hundred thirteen million, one hundred eleven thousand, thirty-one".