31474164 has 48 divisors (see below), whose sum is σ = 76608000. Its totient is φ = 10045056.

The previous prime is 31474141. The next prime is 31474171. The reversal of 31474164 is 46147413.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51549 + ... + 52155.

It is an arithmetic number, because the mean of its divisors is an integer number (1596000).

Almost surely, 2^31474164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31474164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38304000).

31474164 is an abundant number, since it is smaller than the sum of its proper divisors (45133836).

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

31474164 is a wasteful number, since it uses less digits than its factorization.

31474164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 790 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 31474164 is about 5610.1839542033. The cubic root of 31474164 is about 315.7316126329.

The spelling of 31474164 in words is "thirty-one million, four hundred seventy-four thousand, one hundred sixty-four".