313040232 has 96 divisors (see below), whose sum is σ = 882336000. Its totient is φ = 100154880.

The previous prime is 313040197. The next prime is 313040237. The reversal of 313040232 is 232040313.

It is a super-2 number, since 2×313040232² = 195988373701227648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (313040237) 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 23 ways as a sum of consecutive naturals, for example, 309744 + ... + 310752.

It is an arithmetic number, because the mean of its divisors is an integer number (9191000).

Almost surely, 2^313040232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313040232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441168000).

313040232 is an abundant number, since it is smaller than the sum of its proper divisors (569295768).

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

313040232 is a wasteful number, since it uses less digits than its factorization.

313040232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 313040232 is about 17692.9429999647. The cubic root of 313040232 is about 678.9952230955.

Adding to 313040232 its reverse (232040313), we get a palindrome (545080545).

It can be divided in two parts, 31304023 and 2, that added together give a square (31304025 = 5595²).

The spelling of 313040232 in words is "three hundred thirteen million, forty thousand, two hundred thirty-two".