30302321031 has 12 divisors (see below), whose sum is σ = 44114666752. Its totient is φ = 20042479296.

The previous prime is 30302321017. The next prime is 30302321033. The reversal of 30302321031 is 13012320303.

It is not a de Polignac number, because 30302321031 - 2⁶ = 30302320967 is a prime.

It is a super-2 number, since 2×30302321031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30302320995 and 30302321013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302321033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13254466 + ... + 13256751.

Almost surely, 2^30302321031 is an apocalyptic number.

30302321031 is a deficient number, since it is larger than the sum of its proper divisors (13812345721).

30302321031 is a wasteful number, since it uses less digits than its factorization.

30302321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26511350 (or 26511347 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30302321031 its reverse (13012320303), we get a palindrome (43314641334).

The spelling of 30302321031 in words is "thirty billion, three hundred two million, three hundred twenty-one thousand, thirty-one".