30383012531 has 2 divisors, whose sum is σ = 30383012532. Its totient is φ = 30383012530.

The previous prime is 30383012509. The next prime is 30383012551. The reversal of 30383012531 is 13521038303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30383012531 - 2²² = 30378818227 is a prime.

It is a super-2 number, since 2×30383012531² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 30383012494 and 30383012503.

It is not a weakly prime, because it can be changed into another prime (30383012551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15191506265 + 15191506266.

It is an arithmetic number, because the mean of its divisors is an integer number (15191506266).

Almost surely, 2^30383012531 is an apocalyptic number.

30383012531 is a deficient number, since it is larger than the sum of its proper divisors (1).

30383012531 is an equidigital number, since it uses as much as digits as its factorization.

30383012531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 30383012531 in words is "thirty billion, three hundred eighty-three million, twelve thousand, five hundred thirty-one".