320031102011 has 4 divisors (see below), whose sum is σ = 320593547400. Its totient is φ = 319468656624.

The previous prime is 320031101993. The next prime is 320031102029. The reversal of 320031102011 is 110201130023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110201130023 = 193 ⋅570990311.

It is an interprime number because it is at equal distance from previous prime (320031101993) and next prime (320031102029).

It is a cyclic number.

It is not a de Polignac number, because 320031102011 - 2¹⁸ = 320030839867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320031102311) 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, 281221841 + ... + 281222978.

It is an arithmetic number, because the mean of its divisors is an integer number (80148386850).

Almost surely, 2^320031102011 is an apocalyptic number.

320031102011 is a deficient number, since it is larger than the sum of its proper divisors (562445389).

320031102011 is an equidigital number, since it uses as much as digits as its factorization.

320031102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562445388.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 320031102011 its reverse (110201130023), we get a palindrome (430232232034).

The spelling of 320031102011 in words is "three hundred twenty billion, thirty-one million, one hundred two thousand, eleven".