141631 has 4 divisors (see below), whose sum is σ = 161872. Its totient is φ = 121392.

The previous prime is 141629. The next prime is 141637. The reversal of 141631 is 136141.

141631 = 94² + 95² + ... + 107².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136141 = 109 ⋅1249.

It is a cyclic number.

It is not a de Polignac number, because 141631 - 2¹ = 141629 is a prime.

It is a super-2 number, since 2×141631² = 40118680322, 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 (141637) 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, 10110 + ... + 10123.

It is an arithmetic number, because the mean of its divisors is an integer number (40468).

2¹⁴¹⁶³¹ is an apocalyptic number.

141631 is a deficient number, since it is larger than the sum of its proper divisors (20241).

141631 is an equidigital number, since it uses as much as digits as its factorization.

141631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20240.

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

The square root of 141631 is about 376.3389429756. The cubic root of 141631 is about 52.1258048593.

Adding to 141631 its reverse (136141), we get a palindrome (277772).

The spelling of 141631 in words is "one hundred forty-one thousand, six hundred thirty-one".