31141697 has 2 divisors, whose sum is σ = 31141698. Its totient is φ = 31141696.

The previous prime is 31141681. The next prime is 31141711. The reversal of 31141697 is 79614113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28047616 + 3094081 = 5296^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 31141697 - 2⁴ = 31141681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31141657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570848 + 15570849.

It is an arithmetic number, because the mean of its divisors is an integer number (15570849).

Almost surely, 2^31141697 is an apocalyptic number.

It is an amenable number.

31141697 is a deficient number, since it is larger than the sum of its proper divisors (1).

31141697 is an equidigital number, since it uses as much as digits as its factorization.

31141697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 31141697 is about 5580.4746213920. The cubic root of 31141697 is about 314.6159660235.

The spelling of 31141697 in words is "thirty-one million, one hundred forty-one thousand, six hundred ninety-seven".