313532420 has 12 divisors (see below), whose sum is σ = 658418124. Its totient is φ = 125412960.

The previous prime is 313532341. The next prime is 313532437. The reversal of 313532420 is 24235313.

It can be written as a sum of positive squares in 2 ways, for example, as 238640704 + 74891716 = 15448^2 + 8654^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838291 + ... + 7838330.

It is an arithmetic number, because the mean of its divisors is an integer number (54868177).

Almost surely, 2^313532420 is an apocalyptic number.

It is an amenable number.

313532420 is an abundant number, since it is smaller than the sum of its proper divisors (344885704).

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

313532420 is a wasteful number, since it uses less digits than its factorization.

313532420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15676630 (or 15676628 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 313532420 is about 17706.8466983820. The cubic root of 313532420 is about 679.3508944232.

Adding to 313532420 its reverse (24235313), we get a palindrome (337767733).

The spelling of 313532420 in words is "three hundred thirteen million, five hundred thirty-two thousand, four hundred twenty".