30841913 has 2 divisors, whose sum is σ = 30841914. Its totient is φ = 30841912.

The previous prime is 30841907. The next prime is 30841933. The reversal of 30841913 is 31914803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29735209 + 1106704 = 5453^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 30841913 - 2⁶ = 30841849 is a prime.

It is not a weakly prime, because it can be changed into another prime (30841933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15420956 + 15420957.

It is an arithmetic number, because the mean of its divisors is an integer number (15420957).

Almost surely, 2^30841913 is an apocalyptic number.

It is an amenable number.

30841913 is a deficient number, since it is larger than the sum of its proper divisors (1).

30841913 is an equidigital number, since it uses as much as digits as its factorization.

30841913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 30841913 is about 5553.5495856254. The cubic root of 30841913 is about 313.6031641499.

The spelling of 30841913 in words is "thirty million, eight hundred forty-one thousand, nine hundred thirteen".