141731 has 2 divisors, whose sum is σ = 141732. Its totient is φ = 141730.

The previous prime is 141719. The next prime is 141761. The reversal of 141731 is 137141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141731 - 2⁶ = 141667 is a prime.

It is a super-2 number, since 2×141731² = 40175352722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70865 + 70866.

It is an arithmetic number, because the mean of its divisors is an integer number (70866).

2¹⁴¹⁷³¹ is an apocalyptic number.

141731 is a deficient number, since it is larger than the sum of its proper divisors (1).

141731 is an equidigital number, since it uses as much as digits as its factorization.

141731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84, while the sum is 17.

The square root of 141731 is about 376.4717784908. The cubic root of 141731 is about 52.1380699570.

Adding to 141731 its reverse (137141), we get a palindrome (278872).

The spelling of 141731 in words is "one hundred forty-one thousand, seven hundred thirty-one".