31484154 has 32 divisors (see below), whose sum is σ = 68169024. Its totient is φ = 9636480.

The previous prime is 31484143. The next prime is 31484161. The reversal of 31484154 is 45148413.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15502 + ... + 17414.

It is an arithmetic number, because the mean of its divisors is an integer number (2130282).

Almost surely, 2^31484154 is an apocalyptic number.

31484154 is an abundant number, since it is smaller than the sum of its proper divisors (36684870).

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

31484154 is a wasteful number, since it uses less digits than its factorization.

31484154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142.

The product of its digits is 7680, while the sum is 30.

The square root of 31484154 is about 5611.0742287017. The cubic root of 31484154 is about 315.7650138394.

The spelling of 31484154 in words is "thirty-one million, four hundred eighty-four thousand, one hundred fifty-four".