31130466 has 8 divisors (see below), whose sum is σ = 62260944. Its totient is φ = 10376820.

The previous prime is 31130461. The next prime is 31130507. The reversal of 31130466 is 66403113.

It is a sphenic number, since it is the product of 3 distinct primes.

31130466 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31130461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594200 + ... + 2594211.

It is an arithmetic number, because the mean of its divisors is an integer number (7782618).

Almost surely, 2^31130466 is an apocalyptic number.

31130466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31130466 is a wasteful number, since it uses less digits than its factorization.

31130466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188416.

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

The square root of 31130466 is about 5579.4682542336. The cubic root of 31130466 is about 314.5781402454.

Adding to 31130466 its reverse (66403113), we get a palindrome (97533579).

The spelling of 31130466 in words is "thirty-one million, one hundred thirty thousand, four hundred sixty-six".