31793141 has 2 divisors, whose sum is σ = 31793142. Its totient is φ = 31793140.

The previous prime is 31793131. The next prime is 31793147. The reversal of 31793141 is 14139713.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22515025 + 9278116 = 4745^2 + 3046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31793141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31793147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15896570 + 15896571.

It is an arithmetic number, because the mean of its divisors is an integer number (15896571).

Almost surely, 2^31793141 is an apocalyptic number.

It is an amenable number.

31793141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31793141 is an equidigital number, since it uses as much as digits as its factorization.

31793141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 31793141 is about 5638.5406799987. The cubic root of 31793141 is about 316.7946305855.

The spelling of 31793141 in words is "thirty-one million, seven hundred ninety-three thousand, one hundred forty-one".