30541312 has 20 divisors (see below), whose sum is σ = 61023996. Its totient is φ = 15270400.

The previous prime is 30541307. The next prime is 30541319. The reversal of 30541312 is 21314503.

It is a self number, because there is not a number n which added to its sum of digits gives 30541312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30541319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29314 + ... + 30337.

Almost surely, 2^30541312 is an apocalyptic number.

30541312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30541312 is a deficient number, since it is larger than the sum of its proper divisors (30482684).

30541312 is an frugal number, since it uses more digits than its factorization.

30541312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59669 (or 59653 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30541312 is about 5526.4194556693. The cubic root of 30541312 is about 312.5809906345.

Adding to 30541312 its reverse (21314503), we get a palindrome (51855815).

The spelling of 30541312 in words is "thirty million, five hundred forty-one thousand, three hundred twelve".