31532063 has 2 divisors, whose sum is σ = 31532064. Its totient is φ = 31532062.

The previous prime is 31532021. The next prime is 31532071. The reversal of 31532063 is 36023513.

It is a strong prime.

It is an emirp because it is prime and its reverse (36023513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31532063 - 2¹² = 31527967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31532003) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15766031 + 15766032.

It is an arithmetic number, because the mean of its divisors is an integer number (15766032).

Almost surely, 2^31532063 is an apocalyptic number.

31532063 is a deficient number, since it is larger than the sum of its proper divisors (1).

31532063 is an equidigital number, since it uses as much as digits as its factorization.

31532063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 31532063 is about 5615.3417527342. The cubic root of 31532063 is about 315.9250977468.

Adding to 31532063 its reverse (36023513), we get a palindrome (67555576).

The spelling of 31532063 in words is "thirty-one million, five hundred thirty-two thousand, sixty-three".