31124097 has 6 divisors (see below), whose sum is σ = 44957042. Its totient is φ = 20749392.

The previous prime is 31124089. The next prime is 31124123. The reversal of 31124097 is 79042113.

It can be written as a sum of positive squares in only one way, i.e., 21538881 + 9585216 = 4641^2 + 3096^2 .

It is not a de Polignac number, because 31124097 - 2³ = 31124089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31124097.

It is not an unprimeable number, because it can be changed into a prime (31124897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1729108 + ... + 1729125.

Almost surely, 2^31124097 is an apocalyptic number.

It is an amenable number.

31124097 is a deficient number, since it is larger than the sum of its proper divisors (13832945).

31124097 is a wasteful number, since it uses less digits than its factorization.

31124097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458239 (or 3458236 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 31124097 is about 5578.8974717232. The cubic root of 31124097 is about 314.5566855411.

The spelling of 31124097 in words is "thirty-one million, one hundred twenty-four thousand, ninety-seven".