30451350421434 has 32 divisors (see below), whose sum is σ = 60965029578240. Its totient is φ = 10140062671872.

The previous prime is 30451350421433. The next prime is 30451350421483. The reversal of 30451350421434 is 43412405315403.

It is a junction number, because it is equal to n+sod(n) for n = 30451350421392 and 30451350421401.

It is not an unprimeable number, because it can be changed into a prime (30451350421433) 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, 251888887 + ... + 252009749.

It is an arithmetic number, because the mean of its divisors is an integer number (1905157174320).

Almost surely, 2^{30451350421434} is an apocalyptic number.

30451350421434 is an abundant number, since it is smaller than the sum of its proper divisors (30513679156806).

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

30451350421434 is a wasteful number, since it uses less digits than its factorization.

30451350421434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163494.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 30451350421434 its reverse (43412405315403), we get a palindrome (73863755736837).

The spelling of 30451350421434 in words is "thirty trillion, four hundred fifty-one billion, three hundred fifty million, four hundred twenty-one thousand, four hundred thirty-four".