313332140 has 24 divisors (see below), whose sum is σ = 717815952. Its totient is φ = 113938880.

The previous prime is 313332137. The next prime is 313332143. The reversal of 313332140 is 41233313.

It is an interprime number because it is at equal distance from previous prime (313332137) and next prime (313332143).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (313332143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711899 + ... + 712338.

It is an arithmetic number, because the mean of its divisors is an integer number (29908998).

Almost surely, 2^313332140 is an apocalyptic number.

It is an amenable number.

313332140 is an abundant number, since it is smaller than the sum of its proper divisors (404483812).

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

313332140 is a wasteful number, since it uses less digits than its factorization.

313332140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424257 (or 1424255 counting only the distinct ones).

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

The square root of 313332140 is about 17701.1903554535. The cubic root of 313332140 is about 679.2062104183.

Adding to 313332140 its reverse (41233313), we get a palindrome (354565453).

The spelling of 313332140 in words is "three hundred thirteen million, three hundred thirty-two thousand, one hundred forty".