313240020 has 48 divisors (see below), whose sum is σ = 907320960. Its totient is φ = 80649856.

The previous prime is 313240019. The next prime is 313240021. The reversal of 313240020 is 20042313.

313240020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (313240019) and next prime (313240021).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313240021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88272 + ... + 91751.

It is an arithmetic number, because the mean of its divisors is an integer number (18902520).

Almost surely, 2^313240020 is an apocalyptic number.

313240020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313240020 is an abundant number, since it is smaller than the sum of its proper divisors (594080940).

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

313240020 is a wasteful number, since it uses less digits than its factorization.

313240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180064 (or 180062 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 313240020 is about 17698.5880792791. The cubic root of 313240020 is about 679.1396414320.

Adding to 313240020 its reverse (20042313), we get a palindrome (333282333).

The spelling of 313240020 in words is "three hundred thirteen million, two hundred forty thousand, twenty".