30231331019969 has 2 divisors, whose sum is σ = 30231331019970. Its totient is φ = 30231331019968.

The previous prime is 30231331019957. The next prime is 30231331020019. The reversal of 30231331019969 is 96991013313203.

It is an a-pointer prime, because the next prime (30231331020019) can be obtained adding 30231331019969 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27780415528369 + 2450915491600 = 5270713^2 + 1565540^2 .

It is an emirp because it is prime and its reverse (96991013313203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231331019969 is a prime.

It is a super-2 number, since 2×30231331019969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30231331016969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115665509984 + 15115665509985.

It is an arithmetic number, because the mean of its divisors is an integer number (15115665509985).

Almost surely, 2^{30231331019969} is an apocalyptic number.

It is an amenable number.

30231331019969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231331019969 is an equidigital number, since it uses as much as digits as its factorization.

30231331019969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 708588, while the sum is 50.

The spelling of 30231331019969 in words is "thirty trillion, two hundred thirty-one billion, three hundred thirty-one million, nineteen thousand, nine hundred sixty-nine".