30123331001 has 2 divisors, whose sum is σ = 30123331002. Its totient is φ = 30123331000.

The previous prime is 30123330971. The next prime is 30123331009. The reversal of 30123331001 is 10013332103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18023331001 + 12100000000 = 134251^2 + 110000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30123331001 is a prime.

It is not a weakly prime, because it can be changed into another prime (30123331009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061665500 + 15061665501.

It is an arithmetic number, because the mean of its divisors is an integer number (15061665501).

Almost surely, 2^30123331001 is an apocalyptic number.

It is an amenable number.

30123331001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123331001 is an equidigital number, since it uses as much as digits as its factorization.

30123331001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30123331001 its reverse (10013332103), we get a palindrome (40136663104).

The spelling of 30123331001 in words is "thirty billion, one hundred twenty-three million, three hundred thirty-one thousand, one".