20110331093 has 2 divisors, whose sum is σ = 20110331094. Its totient is φ = 20110331092.

The previous prime is 20110331053. The next prime is 20110331107. The reversal of 20110331093 is 39013301102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14821114564 + 5289216529 = 121742^2 + 72727^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110331093 - 2²⁸ = 19841895637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110331023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055165546 + 10055165547.

It is an arithmetic number, because the mean of its divisors is an integer number (10055165547).

Almost surely, 2^20110331093 is an apocalyptic number.

It is an amenable number.

20110331093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110331093 is an equidigital number, since it uses as much as digits as its factorization.

20110331093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 20110331093 its reverse (39013301102), we get a palindrome (59123632195).

The spelling of 20110331093 in words is "twenty billion, one hundred ten million, three hundred thirty-one thousand, ninety-three".