30463231 has 2 divisors, whose sum is σ = 30463232. Its totient is φ = 30463230.

The previous prime is 30463229. The next prime is 30463259. The reversal of 30463231 is 13236403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30463231 - 2¹ = 30463229 is a prime.

It is a super-2 number, since 2×30463231² = 1856016885918722, which contains 22 as substring.

Together with 30463229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30463291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15231615 + 15231616.

It is an arithmetic number, because the mean of its divisors is an integer number (15231616).

Almost surely, 2^30463231 is an apocalyptic number.

30463231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30463231 is an equidigital number, since it uses as much as digits as its factorization.

30463231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 30463231 is about 5519.3505958582. The cubic root of 30463231 is about 312.3143849190.

Adding to 30463231 its reverse (13236403), we get a palindrome (43699634).

The spelling of 30463231 in words is "thirty million, four hundred sixty-three thousand, two hundred thirty-one".