130303240 has 32 divisors (see below), whose sum is σ = 296038080. Its totient is φ = 51613632.

The previous prime is 130303237. The next prime is 130303267. The reversal of 130303240 is 42303031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11694 + ... + 19933.

It is an arithmetic number, because the mean of its divisors is an integer number (9251190).

Almost surely, 2^130303240 is an apocalyptic number.

130303240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130303240 is an abundant number, since it is smaller than the sum of its proper divisors (165734840).

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

130303240 is a wasteful number, since it uses less digits than its factorization.

130303240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31741 (or 31737 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 130303240 is about 11415.0444589585. The cubic root of 130303240 is about 506.9732812475.

Adding to 130303240 its reverse (42303031), we get a palindrome (172606271).

The spelling of 130303240 in words is "one hundred thirty million, three hundred three thousand, two hundred forty".