30268631 has 2 divisors, whose sum is σ = 30268632. Its totient is φ = 30268630.

The previous prime is 30268607. The next prime is 30268639. The reversal of 30268631 is 13686203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30268631 - 2¹⁰ = 30267607 is a prime.

It is a super-2 number, since 2×30268631² = 1832380045228322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30268594 and 30268603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30268639) 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, 15134315 + 15134316.

It is an arithmetic number, because the mean of its divisors is an integer number (15134316).

Almost surely, 2^30268631 is an apocalyptic number.

30268631 is a deficient number, since it is larger than the sum of its proper divisors (1).

30268631 is an equidigital number, since it uses as much as digits as its factorization.

30268631 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 29.

The square root of 30268631 is about 5501.6934665610. The cubic root of 30268631 is about 311.6479393681.

The spelling of 30268631 in words is "thirty million, two hundred sixty-eight thousand, six hundred thirty-one".