30312020323 has 24 divisors (see below), whose sum is σ = 34851837600. Its totient is φ = 26260176384.

The previous prime is 30312020309. The next prime is 30312020327. The reversal of 30312020323 is 32302021303.

It is a happy number.

It is not a de Polignac number, because 30312020323 - 2⁹ = 30312019811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30312020323.

It is not an unprimeable number, because it can be changed into a prime (30312020327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1016713 + ... + 1046101.

It is an arithmetic number, because the mean of its divisors is an integer number (1452159900).

Almost surely, 2^30312020323 is an apocalyptic number.

30312020323 is a deficient number, since it is larger than the sum of its proper divisors (4539817277).

30312020323 is a wasteful number, since it uses less digits than its factorization.

30312020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29791 (or 29778 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30312020323 its reverse (32302021303), we get a palindrome (62614041626).

The spelling of 30312020323 in words is "thirty billion, three hundred twelve million, twenty thousand, three hundred twenty-three".