31697483 has 2 divisors, whose sum is σ = 31697484. Its totient is φ = 31697482.

The previous prime is 31697459. The next prime is 31697489. The reversal of 31697483 is 38479613.

It is a strong prime.

It is an emirp because it is prime and its reverse (38479613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31697483 - 2²⁴ = 14920267 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31697483.

It is not a weakly prime, because it can be changed into another prime (31697489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15848741 + 15848742.

It is an arithmetic number, because the mean of its divisors is an integer number (15848742).

Almost surely, 2^31697483 is an apocalyptic number.

31697483 is a deficient number, since it is larger than the sum of its proper divisors (1).

31697483 is an equidigital number, since it uses as much as digits as its factorization.

31697483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 31697483 is about 5630.0517759609. The cubic root of 31697483 is about 316.4765915036.

The spelling of 31697483 in words is "thirty-one million, six hundred ninety-seven thousand, four hundred eighty-three".