31360164 has 48 divisors (see below), whose sum is σ = 81996096. Its totient is φ = 9244800.

The previous prime is 31360159. The next prime is 31360171. The reversal of 31360164 is 46106313.

It is a super-2 number, since 2×31360164² = 1966919772213792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (1708252).

Almost surely, 2^31360164 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 31360164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40998048).

31360164 is an abundant number, since it is smaller than the sum of its proper divisors (50635932).

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

31360164 is a wasteful number, since it uses less digits than its factorization.

31360164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476 (or 6474 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 31360164 is about 5600.0146428380. The cubic root of 31360164 is about 315.3499562395.

Adding to 31360164 its reverse (46106313), we get a palindrome (77466477).

The spelling of 31360164 in words is "thirty-one million, three hundred sixty thousand, one hundred sixty-four".