30321311023 has 4 divisors (see below), whose sum is σ = 30322465888. Its totient is φ = 30320156160.

The previous prime is 30321310973. The next prime is 30321311057. The reversal of 30321311023 is 32011312303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30321311023 - 2⁹ = 30321310511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321317023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537111 + ... + 590872.

It is an arithmetic number, because the mean of its divisors is an integer number (7580616472).

Almost surely, 2^30321311023 is an apocalyptic number.

30321311023 is a deficient number, since it is larger than the sum of its proper divisors (1154865).

30321311023 is a wasteful number, since it uses less digits than its factorization.

30321311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154864.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30321311023 its reverse (32011312303), we get a palindrome (62332623326).

The spelling of 30321311023 in words is "thirty billion, three hundred twenty-one million, three hundred eleven thousand, twenty-three".