30158101 has 2 divisors, whose sum is σ = 30158102. Its totient is φ = 30158100.

The previous prime is 30158087. The next prime is 30158131. The reversal of 30158101 is 10185103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25100100 + 5058001 = 5010^2 + 2249^2 .

It is an emirp because it is prime and its reverse (10185103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30158101 - 2⁵ = 30158069 is a prime.

It is a super-2 number, since 2×30158101² = 1819022111852402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30158131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15079050 + 15079051.

It is an arithmetic number, because the mean of its divisors is an integer number (15079051).

Almost surely, 2^30158101 is an apocalyptic number.

It is an amenable number.

30158101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30158101 is an equidigital number, since it uses as much as digits as its factorization.

30158101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 30158101 is about 5491.6391906242. The cubic root of 30158101 is about 311.2681351562.

The spelling of 30158101 in words is "thirty million, one hundred fifty-eight thousand, one hundred one".