30302031040 has 56 divisors (see below), whose sum is σ = 73233729072. Its totient is φ = 11939896320.

The previous prime is 30302031037. The next prime is 30302031043. The reversal of 30302031040 is 4013020303.

It is an interprime number because it is at equal distance from previous prime (30302031037) and next prime (30302031043).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (30302031043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685231 + ... + 728110.

It is an arithmetic number, because the mean of its divisors is an integer number (1307745162).

Almost surely, 2^30302031040 is an apocalyptic number.

It is an amenable number.

30302031040 is an abundant number, since it is smaller than the sum of its proper divisors (42931698032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30302031040 is a wasteful number, since it uses less digits than its factorization.

30302031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413425 (or 1413415 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30302031040 its reverse (4013020303), we get a palindrome (34315051343).

The spelling of 30302031040 in words is "thirty billion, three hundred two million, thirty-one thousand, forty".