30733141 has 4 divisors (see below), whose sum is σ = 30761632. Its totient is φ = 30704652.

The previous prime is 30733139. The next prime is 30733169. The reversal of 30733141 is 14133703.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30733141 - 2¹ = 30733139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30736141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12561 + ... + 14806.

It is an arithmetic number, because the mean of its divisors is an integer number (7690408).

Almost surely, 2^30733141 is an apocalyptic number.

It is an amenable number.

30733141 is a deficient number, since it is larger than the sum of its proper divisors (28491).

30733141 is a wasteful number, since it uses less digits than its factorization.

30733141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28490.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 30733141 is about 5543.7479199545. The cubic root of 30733141 is about 313.2340622847.

Adding to 30733141 its reverse (14133703), we get a palindrome (44866844).

The spelling of 30733141 in words is "thirty million, seven hundred thirty-three thousand, one hundred forty-one".