31074100 has 18 divisors (see below), whose sum is σ = 67431014. Its totient is φ = 12429600.

The previous prime is 31074091. The next prime is 31074103. The reversal of 31074100 is 147013.

It can be written as a sum of positive squares in 3 ways, for example, as 4624 + 31069476 = 68^2 + 5574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31074103) 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, 155271 + ... + 155470.

Almost surely, 2^31074100 is an apocalyptic number.

It is an amenable number.

31074100 is an abundant number, since it is smaller than the sum of its proper divisors (36356914).

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

31074100 is a wasteful number, since it uses less digits than its factorization.

31074100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310755 (or 310748 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 31074100 is about 5574.4147674891. The cubic root of 31074100 is about 314.3881631769.

The spelling of 31074100 in words is "thirty-one million, seventy-four thousand, one hundred".