20031030323 has 8 divisors (see below), whose sum is σ = 20156923536. Its totient is φ = 19905429600.

The previous prime is 20031030287. The next prime is 20031030343. The reversal of 20031030323 is 32303013002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20031030323 - 2¹² = 20031026227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20031030343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65093 + ... + 210473.

It is an arithmetic number, because the mean of its divisors is an integer number (2519615442).

Almost surely, 2^20031030323 is an apocalyptic number.

20031030323 is a deficient number, since it is larger than the sum of its proper divisors (125893213).

20031030323 is a wasteful number, since it uses less digits than its factorization.

20031030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146245.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20031030323 its reverse (32303013002), we get a palindrome (52334043325).

The spelling of 20031030323 in words is "twenty billion, thirty-one million, thirty thousand, three hundred twenty-three".