30119231 has 2 divisors, whose sum is σ = 30119232. Its totient is φ = 30119230.

The previous prime is 30119227. The next prime is 30119233. The reversal of 30119231 is 13291103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30119231 - 2² = 30119227 is a prime.

It is a super-2 number, since 2×30119231² = 1814336152062722, which contains 22 as substring.

Together with 30119233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30119233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15059615 + 15059616.

It is an arithmetic number, because the mean of its divisors is an integer number (15059616).

Almost surely, 2^30119231 is an apocalyptic number.

30119231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30119231 is an equidigital number, since it uses as much as digits as its factorization.

30119231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 30119231 is about 5488.0990333630. The cubic root of 30119231 is about 311.1343491665.

The spelling of 30119231 in words is "thirty million, one hundred nineteen thousand, two hundred thirty-one".