4031901061 has 6 divisors (see below), whose sum is σ = 4255275462. Its totient is φ = 3819695400.

The previous prime is 4031901053. The next prime is 4031901077. The reversal of 4031901061 is 1601091304.

4031901061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2730062500 + 1301838561 = 52250^2 + 36081^2 .

It is not a de Polignac number, because 4031901061 - 2³ = 4031901053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031901031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5583990 + ... + 5584711.

It is an arithmetic number, because the mean of its divisors is an integer number (709212577).

Almost surely, 2^4031901061 is an apocalyptic number.

It is an amenable number.

4031901061 is a deficient number, since it is larger than the sum of its proper divisors (223374401).

4031901061 is a wasteful number, since it uses less digits than its factorization.

4031901061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11168739 (or 11168720 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 4031901061 is about 63497.2523893751. The cubic root of 4031901061 is about 1591.6098644032.

Adding to 4031901061 its reverse (1601091304), we get a palindrome (5632992365).

The spelling of 4031901061 in words is "four billion, thirty-one million, nine hundred one thousand, sixty-one".