30021401033142 has 32 divisors (see below), whose sum is σ = 60066539366400. Its totient is φ = 10003178187648.

The previous prime is 30021401033023. The next prime is 30021401033159. The reversal of 30021401033142 is 24133010412003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176296603 + ... + 176466809.

It is an arithmetic number, because the mean of its divisors is an integer number (1877079355200).

Almost surely, 2^{30021401033142} is an apocalyptic number.

30021401033142 is an abundant number, since it is smaller than the sum of its proper divisors (30045138333258).

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

30021401033142 is a wasteful number, since it uses less digits than its factorization.

30021401033142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181660.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30021401033142 its reverse (24133010412003), we get a palindrome (54154411445145).

The spelling of 30021401033142 in words is "thirty trillion, twenty-one billion, four hundred one million, thirty-three thousand, one hundred forty-two".