331010242 has 16 divisors (see below), whose sum is σ = 500407992. Its totient is φ = 164211840.

The previous prime is 331010233. The next prime is 331010243. The reversal of 331010242 is 242010133.

It is a happy number.

331010242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 283551921 + 47458321 = 16839^2 + 6889^2 .

It is not an unprimeable number, because it can be changed into a prime (331010243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323692 + ... + 324712.

Almost surely, 2^331010242 is an apocalyptic number.

331010242 is a deficient number, since it is larger than the sum of its proper divisors (169397750).

331010242 is a wasteful number, since it uses less digits than its factorization.

331010242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331010242 is about 18193.6868720993. The cubic root of 331010242 is about 691.7467763279.

Adding to 331010242 its reverse (242010133), we get a palindrome (573020375).

The spelling of 331010242 in words is "three hundred thirty-one million, ten thousand, two hundred forty-two".