30000121332231 has 16 divisors (see below), whose sum is σ = 42553838135808. Its totient is φ = 18734394134400.

The previous prime is 30000121332229. The next prime is 30000121332271. The reversal of 30000121332231 is 13223312100003.

It is not a de Polignac number, because 30000121332231 - 2¹ = 30000121332229 is a prime.

It is a super-2 number, since 2×30000121332231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30000121332198 and 30000121332207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000121332271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1393917375 + ... + 1393938896.

It is an arithmetic number, because the mean of its divisors is an integer number (2659614883488).

Almost surely, 2^{30000121332231} is an apocalyptic number.

30000121332231 is a deficient number, since it is larger than the sum of its proper divisors (12553716803577).

30000121332231 is a wasteful number, since it uses less digits than its factorization.

30000121332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787856502.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30000121332231 its reverse (13223312100003), we get a palindrome (43223433432234).

The spelling of 30000121332231 in words is "thirty trillion, one hundred twenty-one million, three hundred thirty-two thousand, two hundred thirty-one".