31074146 has 8 divisors (see below), whose sum is σ = 47748204. Its totient is φ = 15158080.

The previous prime is 31074119. The next prime is 31074149. The reversal of 31074146 is 64147013.

It can be written as a sum of positive squares in 2 ways, for example, as 26061025 + 5013121 = 5105^2 + 2239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31074149) 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 3 ways as a sum of consecutive naturals, for example, 189395 + ... + 189558.

Almost surely, 2^31074146 is an apocalyptic number.

31074146 is a deficient number, since it is larger than the sum of its proper divisors (16674058).

31074146 is a wasteful number, since it uses less digits than its factorization.

31074146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378996.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 31074146 is about 5574.4188934812. The cubic root of 31074146 is about 314.3883183098.

The spelling of 31074146 in words is "thirty-one million, seventy-four thousand, one hundred forty-six".