31712053 has 2 divisors, whose sum is σ = 31712054. Its totient is φ = 31712052.

The previous prime is 31712047. The next prime is 31712069. The reversal of 31712053 is 35021713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22819729 + 8892324 = 4777^2 + 2982^2 .

It is an emirp because it is prime and its reverse (35021713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31712053 - 2⁹ = 31711541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31712033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15856026 + 15856027.

It is an arithmetic number, because the mean of its divisors is an integer number (15856027).

Almost surely, 2^31712053 is an apocalyptic number.

It is an amenable number.

31712053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31712053 is an equidigital number, since it uses as much as digits as its factorization.

31712053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 31712053 is about 5631.3455763254. The cubic root of 31712053 is about 316.5250744027.

Adding to 31712053 its reverse (35021713), we get a palindrome (66733766).

The spelling of 31712053 in words is "thirty-one million, seven hundred twelve thousand, fifty-three".