30713856313 has 4 divisors (see below), whose sum is σ = 35101550080. Its totient is φ = 26326162548.

The previous prime is 30713856253. The next prime is 30713856317. The reversal of 30713856313 is 31365831703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31365831703 = 9767 ⋅3211409.

It is not a de Polignac number, because 30713856313 - 2⁹ = 30713855801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30713856317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193846873 + ... + 2193846886.

It is an arithmetic number, because the mean of its divisors is an integer number (8775387520).

Almost surely, 2^30713856313 is an apocalyptic number.

It is an amenable number.

30713856313 is a deficient number, since it is larger than the sum of its proper divisors (4387693767).

30713856313 is an equidigital number, since it uses as much as digits as its factorization.

30713856313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387693766.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 30713856313 in words is "thirty billion, seven hundred thirteen million, eight hundred fifty-six thousand, three hundred thirteen".