30121323110231 has 8 divisors (see below), whose sum is σ = 31093575004800. Its totient is φ = 29149108485120.

The previous prime is 30121323110227. The next prime is 30121323110297. The reversal of 30121323110231 is 13201132312103.

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 30121323110231 - 2² = 30121323110227 is a prime.

It is a super-2 number, since 2×30121323110231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30121323110197 and 30121323110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121323110201) 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, 7670246 + ... + 10912163.

It is an arithmetic number, because the mean of its divisors is an integer number (3886696875600).

Almost surely, 2^{30121323110231} is an apocalyptic number.

30121323110231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30121323110231 is a deficient number, since it is larger than the sum of its proper divisors (972251894569).

30121323110231 is a wasteful number, since it uses less digits than its factorization.

30121323110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18634729.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30121323110231 its reverse (13201132312103), we get a palindrome (43322455422334).

The spelling of 30121323110231 in words is "thirty trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred ten thousand, two hundred thirty-one".