30319427953 has 6 divisors (see below), whose sum is σ = 31329024882. Its totient is φ = 29341380960.

The previous prime is 30319427939. The next prime is 30319427989. The reversal of 30319427953 is 35972491303.

It can be written as a sum of positive squares in only one way, i.e., 20583067024 + 9736360929 = 143468^2 + 98673^2 .

It is not a de Polignac number, because 30319427953 - 2²⁹ = 29782557041 is a prime.

It is a super-2 number, since 2×30319427953² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30319427153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15773976 + ... + 15775897.

It is an arithmetic number, because the mean of its divisors is an integer number (5221504147).

Almost surely, 2^30319427953 is an apocalyptic number.

It is an amenable number.

30319427953 is a deficient number, since it is larger than the sum of its proper divisors (1009596929).

30319427953 is an equidigital number, since it uses as much as digits as its factorization.

30319427953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31549935 (or 31549904 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 30319427953 in words is "thirty billion, three hundred nineteen million, four hundred twenty-seven thousand, nine hundred fifty-three".