30703313 has 8 divisors (see below), whose sum is σ = 31534440. Its totient is φ = 29882880.

The previous prime is 30703307. The next prime is 30703319. The reversal of 30703313 is 31330703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30703307) and next prime (30703319).

It can be written as a sum of positive squares in 4 ways, for example, as 1456849 + 29246464 = 1207^2 + 5408^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30703313 - 2⁶ = 30703249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30703319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323 + ... + 8511.

It is an arithmetic number, because the mean of its divisors is an integer number (3941805).

Almost surely, 2^30703313 is an apocalyptic number.

It is an amenable number.

30703313 is a deficient number, since it is larger than the sum of its proper divisors (831127).

30703313 is an equidigital number, since it uses as much as digits as its factorization.

30703313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347.

The product of its (nonzero) digits is 567, while the sum is 20.

The square root of 30703313 is about 5541.0570291236. The cubic root of 30703313 is about 313.1326932133.

The spelling of 30703313 in words is "thirty million, seven hundred three thousand, three hundred thirteen".