30100312321 has 2 divisors, whose sum is σ = 30100312322. Its totient is φ = 30100312320.

The previous prime is 30100312283. The next prime is 30100312337. The reversal of 30100312321 is 12321300103.

It is an a-pointer prime, because the next prime (30100312337) can be obtained adding 30100312321 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26711326096 + 3388986225 = 163436^2 + 58215^2 .

It is a cyclic number.

It is not a de Polignac number, because 30100312321 - 2²⁷ = 29966094593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30100312295 and 30100312304.

It is not a weakly prime, because it can be changed into another prime (30100312381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050156160 + 15050156161.

It is an arithmetic number, because the mean of its divisors is an integer number (15050156161).

Almost surely, 2^30100312321 is an apocalyptic number.

It is an amenable number.

30100312321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30100312321 is an equidigital number, since it uses as much as digits as its factorization.

30100312321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30100312321 its reverse (12321300103), we get a palindrome (42421612424).

The spelling of 30100312321 in words is "thirty billion, one hundred million, three hundred twelve thousand, three hundred twenty-one".