30150919 has 2 divisors, whose sum is σ = 30150920. Its totient is φ = 30150918.

The previous prime is 30150863. The next prime is 30150961. The reversal of 30150919 is 91905103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30150919 - 2¹³ = 30142727 is a prime.

It is a super-2 number, since 2×30150919² = 1818155833089122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30150719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15075459 + 15075460.

It is an arithmetic number, because the mean of its divisors is an integer number (15075460).

Almost surely, 2^30150919 is an apocalyptic number.

30150919 is a deficient number, since it is larger than the sum of its proper divisors (1).

30150919 is an equidigital number, since it uses as much as digits as its factorization.

30150919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 30150919 is about 5490.9852485688. The cubic root of 30150919 is about 311.2434242144.

The spelling of 30150919 in words is "thirty million, one hundred fifty thousand, nine hundred nineteen".