30312320240121 has 4 divisors (see below), whose sum is σ = 40416426986832. Its totient is φ = 20208213493412.

The previous prime is 30312320240101. The next prime is 30312320240123. The reversal of 30312320240121 is 12104202321303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30312320240121 - 2¹³ = 30312320231929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30312320240091 and 30312320240100.

It is not an unprimeable number, because it can be changed into a prime (30312320240123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052053373351 + ... + 5052053373356.

It is an arithmetic number, because the mean of its divisors is an integer number (10104106746708).

Almost surely, 2^{30312320240121} is an apocalyptic number.

It is an amenable number.

30312320240121 is a deficient number, since it is larger than the sum of its proper divisors (10104106746711).

30312320240121 is a wasteful number, since it uses less digits than its factorization.

30312320240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104106746710.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30312320240121 its reverse (12104202321303), we get a palindrome (42416522561424).

The spelling of 30312320240121 in words is "thirty trillion, three hundred twelve billion, three hundred twenty million, two hundred forty thousand, one hundred twenty-one".