313142140 has 24 divisors (see below), whose sum is σ = 658621152. Its totient is φ = 125062080.

The previous prime is 313142131. The next prime is 313142197. The reversal of 313142140 is 41241313.

It is a congruent number.

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, 1377 + ... + 25063.

It is an arithmetic number, because the mean of its divisors is an integer number (27442548).

Almost surely, 2^313142140 is an apocalyptic number.

It is an amenable number.

313142140 is an abundant number, since it is smaller than the sum of its proper divisors (345479012).

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

313142140 is a wasteful number, since it uses less digits than its factorization.

313142140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24357 (or 24355 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 313142140 is about 17695.8226709017. The cubic root of 313142140 is about 679.0688957748.

Adding to 313142140 its reverse (41241313), we get a palindrome (354383453).

The spelling of 313142140 in words is "three hundred thirteen million, one hundred forty-two thousand, one hundred forty".