30303120404 has 6 divisors (see below), whose sum is σ = 53030460714. Its totient is φ = 15151560200.

The previous prime is 30303120401. The next prime is 30303120409. The reversal of 30303120404 is 40402130303.

It can be written as a sum of positive squares in only one way, i.e., 15550588804 + 14752531600 = 124702^2 + 121460^2 .

It is a super-2 number, since 2×30303120404² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303120401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3787890047 + ... + 3787890054.

It is an arithmetic number, because the mean of its divisors is an integer number (8838410119).

Almost surely, 2^30303120404 is an apocalyptic number.

It is an amenable number.

30303120404 is a deficient number, since it is larger than the sum of its proper divisors (22727340310).

30303120404 is a wasteful number, since it uses less digits than its factorization.

30303120404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575780105 (or 7575780103 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30303120404 its reverse (40402130303), we get a palindrome (70705250707).

The spelling of 30303120404 in words is "thirty billion, three hundred three million, one hundred twenty thousand, four hundred four".