4001231141 has 4 divisors (see below), whose sum is σ = 4094283072. Its totient is φ = 3908179212.

The previous prime is 4001231107. The next prime is 4001231149. The reversal of 4001231141 is 1411321004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4001231141 - 2⁶ = 4001231077 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 (4001231149) 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, 46525901 + ... + 46525986.

It is an arithmetic number, because the mean of its divisors is an integer number (1023570768).

Almost surely, 2^4001231141 is an apocalyptic number.

It is an amenable number.

4001231141 is a deficient number, since it is larger than the sum of its proper divisors (93051931).

4001231141 is an equidigital number, since it uses as much as digits as its factorization.

4001231141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93051930.

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

The square root of 4001231141 is about 63255.2854787645. The cubic root of 4001231141 is about 1587.5638948057.

Adding to 4001231141 its reverse (1411321004), we get a palindrome (5412552145).

The spelling of 4001231141 in words is "four billion, one million, two hundred thirty-one thousand, one hundred forty-one".