30101532 has 24 divisors (see below), whose sum is σ = 70390656. Its totient is φ = 10011888.

The previous prime is 30101531. The next prime is 30101537. The reversal of 30101532 is 23510103.

It is a happy number.

It is a super-2 number, since 2×30101532² = 1812204457494048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3543 + ... + 8529.

It is an arithmetic number, because the mean of its divisors is an integer number (2932944).

Almost surely, 2^30101532 is an apocalyptic number.

It is an amenable number.

30101532 is an abundant number, since it is smaller than the sum of its proper divisors (40289124).

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

30101532 is a wasteful number, since it uses less digits than its factorization.

30101532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497 (or 5495 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 30101532 is about 5486.4863072826. The cubic root of 30101532 is about 311.0733931409.

Adding to 30101532 its reverse (23510103), we get a palindrome (53611635).

The spelling of 30101532 in words is "thirty million, one hundred one thousand, five hundred thirty-two".