4031321011 has 2 divisors, whose sum is σ = 4031321012. Its totient is φ = 4031321010.

The previous prime is 4031321009. The next prime is 4031321081. The reversal of 4031321011 is 1101231304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4031321011 - 2¹ = 4031321009 is a prime.

Together with 4031321009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4031321081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015660505 + 2015660506.

It is an arithmetic number, because the mean of its divisors is an integer number (2015660506).

Almost surely, 2^4031321011 is an apocalyptic number.

4031321011 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031321011 is an equidigital number, since it uses as much as digits as its factorization.

4031321011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 4031321011 is about 63492.6847046177. The cubic root of 4031321011 is about 1591.5335350188.

Adding to 4031321011 its reverse (1101231304), we get a palindrome (5132552315).

The spelling of 4031321011 in words is "four billion, thirty-one million, three hundred twenty-one thousand, eleven".