31466064 has 80 divisors (see below), whose sum is σ = 94279680. Its totient is φ = 8856960.

The previous prime is 31466063. The next prime is 31466089. The reversal of 31466064 is 46066413.

It is a super-2 number, since 2×31466064² = 1980226367304192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31466063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23197 + ... + 24515.

It is an arithmetic number, because the mean of its divisors is an integer number (1178496).

Almost surely, 2^31466064 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 31466064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47139840).

31466064 is an abundant number, since it is smaller than the sum of its proper divisors (62813616).

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

31466064 is a wasteful number, since it uses less digits than its factorization.

31466064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 31466064 is about 5609.4620062890. The cubic root of 31466064 is about 315.7045253846.

It can be divided in two parts, 31 and 466064, that added together give a triangular number (466095 = T₉₆₅).

The spelling of 31466064 in words is "thirty-one million, four hundred sixty-six thousand, sixty-four".