130311048 has 32 divisors (see below), whose sum is σ = 372317760. Its totient is φ = 37231680.

The previous prime is 130311043. The next prime is 130311089. The reversal of 130311048 is 840113031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (130311043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387663 + ... + 387998.

It is an arithmetic number, because the mean of its divisors is an integer number (11634930).

Almost surely, 2^130311048 is an apocalyptic number.

It is an amenable number.

130311048 is an abundant number, since it is smaller than the sum of its proper divisors (242006712).

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

130311048 is a wasteful number, since it uses less digits than its factorization.

130311048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775677 (or 775673 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 130311048 is about 11415.3864586356. The cubic root of 130311048 is about 506.9834072897.

Adding to 130311048 its reverse (840113031), we get a palindrome (970424079).

The spelling of 130311048 in words is "one hundred thirty million, three hundred eleven thousand, forty-eight".