30101279201238 has 128 divisors (see below), whose sum is σ = 71525798784000. Its totient is φ = 8267420431872.

The previous prime is 30101279201219. The next prime is 30101279201263. The reversal of 30101279201238 is 83210297210103.

It is a junction number, because it is equal to n+sod(n) for n = 30101279201196 and 30101279201205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28818120 + ... + 29844372.

It is an arithmetic number, because the mean of its divisors is an integer number (558795303000).

Almost surely, 2^{30101279201238} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30101279201238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35762899392000).

30101279201238 is an abundant number, since it is smaller than the sum of its proper divisors (41424519582762).

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

30101279201238 is a wasteful number, since it uses less digits than its factorization.

30101279201238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026566.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 30101279201238 in words is "thirty trillion, one hundred one billion, two hundred seventy-nine million, two hundred one thousand, two hundred thirty-eight".