30123030331 has 12 divisors (see below), whose sum is σ = 31830864520. Its totient is φ = 28427859360.

The previous prime is 30123030313. The next prime is 30123030341. The reversal of 30123030331 is 13303032103.

It is not a de Polignac number, because 30123030331 - 2⁹ = 30123029819 is a prime.

It is a super-2 number, since 2×30123030331² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30123030299 and 30123030308.

It is not an unprimeable number, because it can be changed into a prime (30123030341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1302751 + ... + 1325671.

Almost surely, 2^30123030331 is an apocalyptic number.

30123030331 is a deficient number, since it is larger than the sum of its proper divisors (1707834189).

30123030331 is an equidigital number, since it uses as much as digits as its factorization.

30123030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23466 (or 23203 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30123030331 its reverse (13303032103), we get a palindrome (43426062434).

The spelling of 30123030331 in words is "thirty billion, one hundred twenty-three million, thirty thousand, three hundred thirty-one".