30101500 has 96 divisors (see below), whose sum is σ = 77418432. Its totient is φ = 10080000.

The previous prime is 30101483. The next prime is 30101501. The reversal of 30101500 is 510103.

It is a super-2 number, since 2×30101500² = 1812200604500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101501) 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 in 31 ways as a sum of consecutive naturals, for example, 71290 + ... + 71710.

It is an arithmetic number, because the mean of its divisors is an integer number (806442).

Almost surely, 2^30101500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30101500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38709216).

30101500 is an abundant number, since it is smaller than the sum of its proper divisors (47316932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30101500 is a wasteful number, since it uses less digits than its factorization.

30101500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 30101500 is about 5486.4833910256. The cubic root of 30101500 is about 311.0732829101.

Adding to 30101500 its reverse (510103), we get a palindrome (30611603).

The spelling of 30101500 in words is "thirty million, one hundred one thousand, five hundred".