141831001 has 4 divisors (see below), whose sum is σ = 152741092. Its totient is φ = 130920912.

The previous prime is 141830999. The next prime is 141831059. The reversal of 141831001 is 100138141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56250000 + 85581001 = 7500^2 + 9251^2 .

It is a cyclic number.

It is not a de Polignac number, because 141831001 - 2¹ = 141830999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141831001.

It is not an unprimeable number, because it can be changed into a prime (141831301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455026 + ... + 5455051.

It is an arithmetic number, because the mean of its divisors is an integer number (38185273).

Almost surely, 2^141831001 is an apocalyptic number.

It is an amenable number.

141831001 is a deficient number, since it is larger than the sum of its proper divisors (10910091).

141831001 is a wasteful number, since it uses less digits than its factorization.

141831001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910090.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 141831001 is about 11909.2821362163. The cubic root of 141831001 is about 521.5032940945.

Adding to 141831001 its reverse (100138141), we get a palindrome (241969142).

The spelling of 141831001 in words is "one hundred forty-one million, eight hundred thirty-one thousand, one".