30311331242 has 8 divisors (see below), whose sum is σ = 46575948132. Its totient is φ = 14786015200.

The previous prime is 30311331233. The next prime is 30311331263. The reversal of 30311331242 is 24213311303.

It can be written as a sum of positive squares in 2 ways, for example, as 30282612361 + 28718881 = 174019^2 + 5359^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184825109 + ... + 184825272.

Almost surely, 2^30311331242 is an apocalyptic number.

30311331242 is a deficient number, since it is larger than the sum of its proper divisors (16264616890).

30311331242 is a wasteful number, since it uses less digits than its factorization.

30311331242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369650424.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30311331242 its reverse (24213311303), we get a palindrome (54524642545).

The spelling of 30311331242 in words is "thirty billion, three hundred eleven million, three hundred thirty-one thousand, two hundred forty-two".