30513141 has 12 divisors (see below), whose sum is σ = 44393440. Its totient is φ = 20194920.

The previous prime is 30513137. The next prime is 30513149. The reversal of 30513141 is 14131503.

It is not a de Polignac number, because 30513141 - 2² = 30513137 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 (30513149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10945 + ... + 13446.

Almost surely, 2^30513141 is an apocalyptic number.

It is an amenable number.

30513141 is a deficient number, since it is larger than the sum of its proper divisors (13880299).

30513141 is a wasteful number, since it uses less digits than its factorization.

30513141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24536 (or 24533 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 30513141 is about 5523.8701107104. The cubic root of 30513141 is about 312.4848538792.

Adding to 30513141 its reverse (14131503), we get a palindrome (44644644).

The spelling of 30513141 in words is "thirty million, five hundred thirteen thousand, one hundred forty-one".