30142379732 has 12 divisors (see below), whose sum is σ = 52750510176. Its totient is φ = 15070805400.

The previous prime is 30142379719. The next prime is 30142379777. The reversal of 30142379732 is 23797324103.

It is a super-3 number, since 3×30142379732³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30142379732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150713 + ... + 288095.

It is an arithmetic number, because the mean of its divisors is an integer number (4395875848).

Almost surely, 2^30142379732 is an apocalyptic number.

It is an amenable number.

30142379732 is a deficient number, since it is larger than the sum of its proper divisors (22608130444).

30142379732 is a wasteful number, since it uses less digits than its factorization.

30142379732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192238 (or 192236 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 30142379732 in words is "thirty billion, one hundred forty-two million, three hundred seventy-nine thousand, seven hundred thirty-two".