242244100331 has 16 divisors (see below), whose sum is σ = 261060559200. Its totient is φ = 224318572800.

The previous prime is 242244100313. The next prime is 242244100379. The reversal of 242244100331 is 133001442242.

It is a de Polignac number, because none of the positive numbers 2^k-242244100331 is a prime.

It is a super-2 number, since 2×242244100331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242244100331.

It is not an unprimeable number, because it can be changed into a prime (242244100391) 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, 1656440 + ... + 1796741.

It is an arithmetic number, because the mean of its divisors is an integer number (16316284950).

Almost surely, 2^242244100331 is an apocalyptic number.

242244100331 is a deficient number, since it is larger than the sum of its proper divisors (18816458869).

242244100331 is a wasteful number, since it uses less digits than its factorization.

242244100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453310.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 242244100331 its reverse (133001442242), we get a palindrome (375245542573).

The spelling of 242244100331 in words is "two hundred forty-two billion, two hundred forty-four million, one hundred thousand, three hundred thirty-one".