31848953 has 2 divisors, whose sum is σ = 31848954. Its totient is φ = 31848952.

The previous prime is 31848913. The next prime is 31848961. The reversal of 31848953 is 35984813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24730729 + 7118224 = 4973^2 + 2668^2 .

It is an emirp because it is prime and its reverse (35984813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31848953 - 2⁸ = 31848697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31848953.

It is not a weakly prime, because it can be changed into another prime (31848913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15924476 + 15924477.

It is an arithmetic number, because the mean of its divisors is an integer number (15924477).

Almost surely, 2^31848953 is an apocalyptic number.

It is an amenable number.

31848953 is a deficient number, since it is larger than the sum of its proper divisors (1).

31848953 is an equidigital number, since it uses as much as digits as its factorization.

31848953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 31848953 is about 5643.4876627844. The cubic root of 31848953 is about 316.9798970225.

The spelling of 31848953 in words is "thirty-one million, eight hundred forty-eight thousand, nine hundred fifty-three".