30525322142 has 12 divisors (see below), whose sum is σ = 53263572480. Its totient is φ = 13082280876.

The previous prime is 30525322063. The next prime is 30525322151. The reversal of 30525322142 is 24122352503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155741342 + ... + 155741537.

It is an arithmetic number, because the mean of its divisors is an integer number (4438631040).

Almost surely, 2^30525322142 is an apocalyptic number.

30525322142 is a deficient number, since it is larger than the sum of its proper divisors (22738250338).

30525322142 is a wasteful number, since it uses less digits than its factorization.

30525322142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311482895 (or 311482888 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 30525322142 its reverse (24122352503), we get a palindrome (54647674645).

The spelling of 30525322142 in words is "thirty billion, five hundred twenty-five million, three hundred twenty-two thousand, one hundred forty-two".