10030312309 has 2 divisors, whose sum is σ = 10030312310. Its totient is φ = 10030312308.

The previous prime is 10030312301. The next prime is 10030312321. The reversal of 10030312309 is 90321303001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9241938225 + 788374084 = 96135^2 + 28078^2 .

It is a cyclic number.

It is not a de Polignac number, because 10030312309 - 2³ = 10030312301 is a prime.

It is a super-2 number, since 2×10030312309² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10030312309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10030312301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015156154 + 5015156155.

It is an arithmetic number, because the mean of its divisors is an integer number (5015156155).

Almost surely, 2^10030312309 is an apocalyptic number.

It is an amenable number.

10030312309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10030312309 is an equidigital number, since it uses as much as digits as its factorization.

10030312309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The spelling of 10030312309 in words is "ten billion, thirty million, three hundred twelve thousand, three hundred nine".