30821838102031 has 8 divisors (see below), whose sum is σ = 31820950797824. Its totient is φ = 29823029147160.

The previous prime is 30821838101983. The next prime is 30821838102089. The reversal of 30821838102031 is 13020183812803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30821838102031 - 2⁷ = 30821838101903 is a prime.

It is a super-2 number, since 2×30821838102031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30821838102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75728985 + ... + 76134898.

It is an arithmetic number, because the mean of its divisors is an integer number (3977618849728).

Almost surely, 2^{30821838102031} is an apocalyptic number.

30821838102031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30821838102031 is a deficient number, since it is larger than the sum of its proper divisors (999112695793).

30821838102031 is a wasteful number, since it uses less digits than its factorization.

30821838102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151870461.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 30821838102031 in words is "thirty trillion, eight hundred twenty-one billion, eight hundred thirty-eight million, one hundred two thousand, thirty-one".