30051036 has 36 divisors (see below), whose sum is σ = 80432352. Its totient is φ = 9427584.

The previous prime is 30051031. The next prime is 30051037. The reversal of 30051036 is 63015003.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30051031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23940 + ... + 25163.

It is an arithmetic number, because the mean of its divisors is an integer number (2234232).

Almost surely, 2^30051036 is an apocalyptic number.

30051036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30051036 is an abundant number, since it is smaller than the sum of its proper divisors (50381316).

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

30051036 is a wasteful number, since it uses less digits than its factorization.

30051036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49130 (or 49125 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 30051036 is about 5481.8825233673. The cubic root of 30051036 is about 310.8993515701.

Adding to 30051036 its reverse (63015003), we get a palindrome (93066039).

The spelling of 30051036 in words is "thirty million, fifty-one thousand, thirty-six".