63311130 has 48 divisors (see below), whose sum is σ = 167412960. Its totient is φ = 16595424.

The previous prime is 63311123. The next prime is 63311137. The reversal of 63311130 is 3111336.

63311130 is a `hidden beast` number, since 633 + 1 + 1 + 1 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (63311123) and next prime (63311137).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (63311137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652 + ... + 11271.

It is an arithmetic number, because the mean of its divisors is an integer number (3487770).

Almost surely, 2^63311130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63311130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83706480).

63311130 is an abundant number, since it is smaller than the sum of its proper divisors (104101830).

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

63311130 is a wasteful number, since it uses less digits than its factorization.

63311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11995 (or 11992 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 63311130 is about 7956.8291423154. The cubic root of 63311130 is about 398.5596740445.

Adding to 63311130 its reverse (3111336), we get a palindrome (66422466).

The spelling of 63311130 in words is "sixty-three million, three hundred eleven thousand, one hundred thirty".