2011343501 has 2 divisors, whose sum is σ = 2011343502. Its totient is φ = 2011343500.

The previous prime is 2011343497. The next prime is 2011343507. The reversal of 2011343501 is 1053431102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1027266601 + 984076900 = 32051^2 + 31370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011343501 - 2² = 2011343497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011343507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005671750 + 1005671751.

It is an arithmetic number, because the mean of its divisors is an integer number (1005671751).

Almost surely, 2^2011343501 is an apocalyptic number.

It is an amenable number.

2011343501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011343501 is an equidigital number, since it uses as much as digits as its factorization.

2011343501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2011343501 is about 44848.0044260611. The cubic root of 2011343501 is about 1262.2985466363.

Adding to 2011343501 its reverse (1053431102), we get a palindrome (3064774603).

The spelling of 2011343501 in words is "two billion, eleven million, three hundred forty-three thousand, five hundred one".