313130142 has 96 divisors (see below), whose sum is σ = 773817408. Its totient is φ = 90782208.

The previous prime is 313130113. The next prime is 313130159. The reversal of 313130142 is 241031313.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392488 + ... + 393284.

It is an arithmetic number, because the mean of its divisors is an integer number (8060598).

Almost surely, 2^313130142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313130142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386908704).

313130142 is an abundant number, since it is smaller than the sum of its proper divisors (460687266).

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

313130142 is a wasteful number, since it uses less digits than its factorization.

313130142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 313130142 is about 17695.4836610927. The cubic root of 313130142 is about 679.0602228522.

Adding to 313130142 its reverse (241031313), we get a palindrome (554161455).

The spelling of 313130142 in words is "three hundred thirteen million, one hundred thirty thousand, one hundred forty-two".