30320783485 has 4 divisors (see below), whose sum is σ = 36384940188. Its totient is φ = 24256626784.

The previous prime is 30320783461. The next prime is 30320783501. The reversal of 30320783485 is 58438702303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58438702303 = 223 ⋅262056961.

It can be written as a sum of positive squares in 2 ways, for example, as 23305380921 + 7015402564 = 152661^2 + 83758^2 .

It is a cyclic number.

It is not a de Polignac number, because 30320783485 - 2¹¹ = 30320781437 is a prime.

It is a super-2 number, since 2×30320783485² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032078344 + ... + 3032078353.

It is an arithmetic number, because the mean of its divisors is an integer number (9096235047).

Almost surely, 2^30320783485 is an apocalyptic number.

It is an amenable number.

30320783485 is a deficient number, since it is larger than the sum of its proper divisors (6064156703).

30320783485 is an equidigital number, since it uses as much as digits as its factorization.

30320783485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064156702.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 30320783485 in words is "thirty billion, three hundred twenty million, seven hundred eighty-three thousand, four hundred eighty-five".