31027141 has 2 divisors, whose sum is σ = 31027142. Its totient is φ = 31027140.

The previous prime is 31027109. The next prime is 31027151. The reversal of 31027141 is 14172013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19838116 + 11189025 = 4454^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 31027141 - 2⁵ = 31027109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31027151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15513570 + 15513571.

It is an arithmetic number, because the mean of its divisors is an integer number (15513571).

Almost surely, 2^31027141 is an apocalyptic number.

It is an amenable number.

31027141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31027141 is an equidigital number, since it uses as much as digits as its factorization.

31027141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 31027141 is about 5570.2011633333. The cubic root of 31027141 is about 314.2297161447.

Adding to 31027141 its reverse (14172013), we get a palindrome (45199154).

The spelling of 31027141 in words is "thirty-one million, twenty-seven thousand, one hundred forty-one".