30069631 has 2 divisors, whose sum is σ = 30069632. Its totient is φ = 30069630.

The previous prime is 30069623. The next prime is 30069643. The reversal of 30069631 is 13696003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30069631 - 2³ = 30069623 is a prime.

It is a super-2 number, since 2×30069631² = 1808365416952322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30069631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30069601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15034815 + 15034816.

It is an arithmetic number, because the mean of its divisors is an integer number (15034816).

Almost surely, 2^30069631 is an apocalyptic number.

30069631 is a deficient number, since it is larger than the sum of its proper divisors (1).

30069631 is an equidigital number, since it uses as much as digits as its factorization.

30069631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 30069631 is about 5483.5783025320. The cubic root of 30069631 is about 310.9634645170.

The spelling of 30069631 in words is "thirty million, sixty-nine thousand, six hundred thirty-one".