30125143242 has 16 divisors (see below), whose sum is σ = 66944762880. Its totient is φ = 10041714396.

The previous prime is 30125143177. The next prime is 30125143259. The reversal of 30125143242 is 24234152103.

30125143242 is a `hidden beast` number, since 301 + 25 + 14 + 324 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278936458 + ... + 278936565.

It is an arithmetic number, because the mean of its divisors is an integer number (4184047680).

Almost surely, 2^30125143242 is an apocalyptic number.

30125143242 is an abundant number, since it is smaller than the sum of its proper divisors (36819619638).

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

30125143242 is a wasteful number, since it uses less digits than its factorization.

30125143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557873034 (or 557873028 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 30125143242 its reverse (24234152103), we get a palindrome (54359295345).

The spelling of 30125143242 in words is "thirty billion, one hundred twenty-five million, one hundred forty-three thousand, two hundred forty-two".