313303142 has 8 divisors (see below), whose sum is σ = 471559536. Its totient is φ = 156116632.

The previous prime is 313303121. The next prime is 313303147. The reversal of 313303142 is 241303313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313303147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266738 + ... + 267909.

It is an arithmetic number, because the mean of its divisors is an integer number (58944942).

Almost surely, 2^313303142 is an apocalyptic number.

313303142 is a deficient number, since it is larger than the sum of its proper divisors (158256394).

313303142 is a wasteful number, since it uses less digits than its factorization.

313303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534942.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 313303142 is about 17700.3712390447. The cubic root of 313303142 is about 679.1852569031.

Adding to 313303142 its reverse (241303313), we get a palindrome (554606455).

The spelling of 313303142 in words is "three hundred thirteen million, three hundred three thousand, one hundred forty-two".