30451054242 has 32 divisors (see below), whose sum is σ = 71483559552. Its totient is φ = 8465157504.

The previous prime is 30451054157. The next prime is 30451054243. The reversal of 30451054242 is 24245015403.

It is not an unprimeable number, because it can be changed into a prime (30451054243) 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, 9796083 + ... + 9799190.

It is an arithmetic number, because the mean of its divisors is an integer number (2233861236).

Almost surely, 2^30451054242 is an apocalyptic number.

30451054242 is an abundant number, since it is smaller than the sum of its proper divisors (41032505310).

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

30451054242 is a wasteful number, since it uses less digits than its factorization.

30451054242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19595322.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 30451054242 its reverse (24245015403), we get a palindrome (54696069645).

The spelling of 30451054242 in words is "thirty billion, four hundred fifty-one million, fifty-four thousand, two hundred forty-two".