30252342051 has 32 divisors (see below), whose sum is σ = 47193536000. Its totient is φ = 19100103264.

The previous prime is 30252342049. The next prime is 30252342059. The reversal of 30252342051 is 15024325203.

It is a happy number.

It is not a de Polignac number, because 30252342051 - 2¹ = 30252342049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30252342059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1768005 + ... + 1785033.

It is an arithmetic number, because the mean of its divisors is an integer number (1474798000).

Almost surely, 2^30252342051 is an apocalyptic number.

30252342051 is a deficient number, since it is larger than the sum of its proper divisors (16941193949).

30252342051 is a wasteful number, since it uses less digits than its factorization.

30252342051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20520 (or 20514 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 30252342051 its reverse (15024325203), we get a palindrome (45276667254).

The spelling of 30252342051 in words is "thirty billion, two hundred fifty-two million, three hundred forty-two thousand, fifty-one".