30321131101 has 2 divisors, whose sum is σ = 30321131102. Its totient is φ = 30321131100.

The previous prime is 30321131063. The next prime is 30321131117. The reversal of 30321131101 is 10113112303.

It is an a-pointer prime, because the next prime (30321131117) can be obtained adding 30321131101 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26731923001 + 3589208100 = 163499^2 + 59910^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321131101 - 2²⁷ = 30186913373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30321135101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160565550 + 15160565551.

It is an arithmetic number, because the mean of its divisors is an integer number (15160565551).

Almost surely, 2^30321131101 is an apocalyptic number.

It is an amenable number.

30321131101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321131101 is an equidigital number, since it uses as much as digits as its factorization.

30321131101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30321131101 its reverse (10113112303), we get a palindrome (40434243404).

The spelling of 30321131101 in words is "thirty billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred one".