2001105331 has 2 divisors, whose sum is σ = 2001105332. Its totient is φ = 2001105330.

The previous prime is 2001105311. The next prime is 2001105347. The reversal of 2001105331 is 1335011002.

It is an a-pointer prime, because the next prime (2001105347) can be obtained adding 2001105331 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001105331 - 2¹³ = 2001097139 is a prime.

It is a super-2 number, since 2×2001105331² = 8008845091513239122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2001105311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000552665 + 1000552666.

It is an arithmetic number, because the mean of its divisors is an integer number (1000552666).

Almost surely, 2^2001105331 is an apocalyptic number.

2001105331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001105331 is an equidigital number, since it uses as much as digits as its factorization.

2001105331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 2001105331 is about 44733.7158192789. The cubic root of 2001105331 is about 1260.1531121149.

Adding to 2001105331 its reverse (1335011002), we get a palindrome (3336116333).

The spelling of 2001105331 in words is "two billion, one million, one hundred five thousand, three hundred thirty-one".