31148104 has 16 divisors (see below), whose sum is σ = 62895420. Its totient is φ = 14376000.

The previous prime is 31148083. The next prime is 31148107. The reversal of 31148104 is 40184113.

It can be written as a sum of positive squares in 2 ways, for example, as 26316900 + 4831204 = 5130^2 + 2198^2 .

It is not an unprimeable number, because it can be changed into a prime (31148107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149647 + ... + 149854.

Almost surely, 2^31148104 is an apocalyptic number.

It is an amenable number.

31148104 is an abundant number, since it is smaller than the sum of its proper divisors (31747316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31148104 is a wasteful number, since it uses less digits than its factorization.

31148104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299520 (or 299516 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 31148104 is about 5581.0486469838. The cubic root of 31148104 is about 314.6375405947.

The spelling of 31148104 in words is "thirty-one million, one hundred forty-eight thousand, one hundred four".