30211231001021 has 8 divisors (see below), whose sum is σ = 34537237526784. Its totient is φ = 25887753570960.

The previous prime is 30211231001009. The next prime is 30211231001023. The reversal of 30211231001021 is 12010013211203.

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 30211231001021 - 2¹⁴ = 30211230984637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211231001023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632248325 + ... + 632296106.

It is an arithmetic number, because the mean of its divisors is an integer number (4317154690848).

Almost surely, 2^{30211231001021} is an apocalyptic number.

It is an amenable number.

30211231001021 is a deficient number, since it is larger than the sum of its proper divisors (4326006525763).

30211231001021 is a wasteful number, since it uses less digits than its factorization.

30211231001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264547851.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30211231001021 its reverse (12010013211203), we get a palindrome (42221244212224).

The spelling of 30211231001021 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-one million, one thousand, twenty-one".