30913427 has 2 divisors, whose sum is σ = 30913428. Its totient is φ = 30913426.

The previous prime is 30913343. The next prime is 30913453. The reversal of 30913427 is 72431903.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30913427 - 2¹⁴ = 30897043 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30913427.

It is not a weakly prime, because it can be changed into another prime (30910427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15456713 + 15456714.

It is an arithmetic number, because the mean of its divisors is an integer number (15456714).

Almost surely, 2^30913427 is an apocalyptic number.

30913427 is a deficient number, since it is larger than the sum of its proper divisors (1).

30913427 is an equidigital number, since it uses as much as digits as its factorization.

30913427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30913427 is about 5559.9844424243. The cubic root of 30913427 is about 313.8453638358.

The spelling of 30913427 in words is "thirty million, nine hundred thirteen thousand, four hundred twenty-seven".