4311020141 has 4 divisors (see below), whose sum is σ = 4318760412. Its totient is φ = 4303279872.

The previous prime is 4311020137. The next prime is 4311020149. The reversal of 4311020141 is 1410201134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1410201134 = 2 ⋅705100567.

It can be written as a sum of positive squares in 2 ways, for example, as 1235874025 + 3075146116 = 35155^2 + 55454^2 .

It is a cyclic number.

It is not a de Polignac number, because 4311020141 - 2² = 4311020137 is a prime.

It is a super-2 number, since 2×4311020141² = 37169789312215319762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311020149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3869300 + ... + 3870413.

It is an arithmetic number, because the mean of its divisors is an integer number (1079690103).

Almost surely, 2^4311020141 is an apocalyptic number.

It is an amenable number.

4311020141 is a deficient number, since it is larger than the sum of its proper divisors (7740271).

4311020141 is an equidigital number, since it uses as much as digits as its factorization.

4311020141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740270.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4311020141 is about 65658.3592621686. The cubic root of 4311020141 is about 1627.5213108709.

Adding to 4311020141 its reverse (1410201134), we get a palindrome (5721221275).

The spelling of 4311020141 in words is "four billion, three hundred eleven million, twenty thousand, one hundred forty-one".