31041168 has 80 divisors (see below), whose sum is σ = 86470656. Its totient is φ = 9567360.

The previous prime is 31041163. The next prime is 31041173. The reversal of 31041168 is 86114013.

It is an interprime number because it is at equal distance from previous prime (31041163) and next prime (31041173).

It is a super-2 number, since 2×31041168² = 1927108221608448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (31041161) 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, 33771 + ... + 34677.

Almost surely, 2^31041168 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 31041168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43235328).

31041168 is an abundant number, since it is smaller than the sum of its proper divisors (55429488).

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

31041168 is a wasteful number, since it uses less digits than its factorization.

31041168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 31041168 is about 5571.4601317787. The cubic root of 31041168 is about 314.2770621782.

The spelling of 31041168 in words is "thirty-one million, forty-one thousand, one hundred sixty-eight".