30538101 has 12 divisors (see below), whose sum is σ = 44756096. Its totient is φ = 18507720.

The previous prime is 30538097. The next prime is 30538117. The reversal of 30538101 is 10183503.

It is a happy number.

It is not a de Polignac number, because 30538101 - 2² = 30538097 is a prime.

It is a super-2 number, since 2×30538101² = 1865151225372402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30538141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41701 + ... + 42426.

Almost surely, 2^30538101 is an apocalyptic number.

It is an amenable number.

30538101 is a deficient number, since it is larger than the sum of its proper divisors (14217995).

30538101 is a wasteful number, since it uses less digits than its factorization.

30538101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84152 (or 84141 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 30538101 is about 5526.1289344350. The cubic root of 30538101 is about 312.5700357162.

The spelling of 30538101 in words is "thirty million, five hundred thirty-eight thousand, one hundred one".