130311242 has 16 divisors (see below), whose sum is σ = 200439360. Its totient is φ = 63504672.

The previous prime is 130311241. The next prime is 130311277. The reversal of 130311242 is 242113031.

It is a super-3 number, since 3×130311242³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130311242.

It is not an unprimeable number, because it can be changed into a prime (130311241) 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, 47603 + ... + 50265.

It is an arithmetic number, because the mean of its divisors is an integer number (12527460).

Almost surely, 2^130311242 is an apocalyptic number.

130311242 is a deficient number, since it is larger than the sum of its proper divisors (70128118).

130311242 is a wasteful number, since it uses less digits than its factorization.

130311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130311242 is about 11415.3949559356. The cubic root of 130311242 is about 506.9836588794.

Adding to 130311242 its reverse (242113031), we get a palindrome (372424273).

The spelling of 130311242 in words is "one hundred thirty million, three hundred eleven thousand, two hundred forty-two".