30311423442 has 48 divisors (see below), whose sum is σ = 68435466840. Its totient is φ = 9684170496.

The previous prime is 30311423437. The next prime is 30311423449. The reversal of 30311423442 is 24432411303.

30311423442 is a `hidden beast` number, since 3 + 0 + 311 + 4 + 2 + 344 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30002050521 + 309372921 = 173211^2 + 17589^2 .

It is not an unprimeable number, because it can be changed into a prime (30311423449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140413 + ... + 283440.

Almost surely, 2^30311423442 is an apocalyptic number.

30311423442 is an abundant number, since it is smaller than the sum of its proper divisors (38124043398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30311423442 is a wasteful number, since it uses less digits than its factorization.

30311423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424027 (or 424024 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 30311423442 its reverse (24432411303), we get a palindrome (54743834745).

The spelling of 30311423442 in words is "thirty billion, three hundred eleven million, four hundred twenty-three thousand, four hundred forty-two".