30641313 has 16 divisors (see below), whose sum is σ = 44104320. Its totient is φ = 18864384.

The previous prime is 30641297. The next prime is 30641323. The reversal of 30641313 is 31314603.

It is not a de Polignac number, because 30641313 - 2⁴ = 30641297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30641313.

It is not an unprimeable number, because it can be changed into a prime (30641323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656 + ... + 9657.

It is an arithmetic number, because the mean of its divisors is an integer number (2756520).

Almost surely, 2^30641313 is an apocalyptic number.

It is an amenable number.

30641313 is a deficient number, since it is larger than the sum of its proper divisors (13463007).

30641313 is a wasteful number, since it uses less digits than its factorization.

30641313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15368.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30641313 is about 5535.4596015146. The cubic root of 30641313 is about 312.9217788456.

Adding to 30641313 its reverse (31314603), we get a palindrome (61955916).

The spelling of 30641313 in words is "thirty million, six hundred forty-one thousand, three hundred thirteen".