31671053 has 2 divisors, whose sum is σ = 31671054. Its totient is φ = 31671052.

The previous prime is 31671019. The next prime is 31671061. The reversal of 31671053 is 35017613.

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., 30891364 + 779689 = 5558^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 31671053 - 2⁸ = 31670797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31671083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15835526 + 15835527.

It is an arithmetic number, because the mean of its divisors is an integer number (15835527).

Almost surely, 2^31671053 is an apocalyptic number.

It is an amenable number.

31671053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31671053 is an equidigital number, since it uses as much as digits as its factorization.

31671053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 31671053 is about 5627.7040611603. The cubic root of 31671053 is about 316.3886055246.

Adding to 31671053 its reverse (35017613), we get a palindrome (66688666).

The spelling of 31671053 in words is "thirty-one million, six hundred seventy-one thousand, fifty-three".