331242242135 has 8 divisors (see below), whose sum is σ = 454275074976. Its totient is φ = 227137537440.

The previous prime is 331242242131. The next prime is 331242242179. The reversal of 331242242135 is 531242242133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331242242135 - 2² = 331242242131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331242242131) 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 7 ways as a sum of consecutive naturals, for example, 4732031996 + ... + 4732032065.

It is an arithmetic number, because the mean of its divisors is an integer number (56784384372).

Almost surely, 2^331242242135 is an apocalyptic number.

331242242135 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

331242242135 is a deficient number, since it is larger than the sum of its proper divisors (123032832841).

331242242135 is an equidigital number, since it uses as much as digits as its factorization.

331242242135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464064073.

The product of its digits is 34560, while the sum is 32.

Adding to 331242242135 its reverse (531242242133), we get a palindrome (862484484268).

The spelling of 331242242135 in words is "three hundred thirty-one billion, two hundred forty-two million, two hundred forty-two thousand, one hundred thirty-five".