30348631 has 2 divisors, whose sum is σ = 30348632. Its totient is φ = 30348630.

The previous prime is 30348623. The next prime is 30348653. The reversal of 30348631 is 13684303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30348631 - 2³ = 30348623 is a prime.

It is a super-2 number, since 2×30348631² = 1842078807148322, which contains 22 as substring.

It is equal to p_1878211 and since 30348631 and 1878211 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30348631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30348611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15174315 + 15174316.

It is an arithmetic number, because the mean of its divisors is an integer number (15174316).

Almost surely, 2^30348631 is an apocalyptic number.

30348631 is a deficient number, since it is larger than the sum of its proper divisors (1).

30348631 is an equidigital number, since it uses as much as digits as its factorization.

30348631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 30348631 is about 5508.9591575905. The cubic root of 30348631 is about 311.9222596965.

The spelling of 30348631 in words is "thirty million, three hundred forty-eight thousand, six hundred thirty-one".