313215342 has 64 divisors (see below), whose sum is σ = 726762240. Its totient is φ = 88992000.

The previous prime is 313215317. The next prime is 313215349. The reversal of 313215342 is 243512313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313215349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125418 + ... + 127890.

It is an arithmetic number, because the mean of its divisors is an integer number (11355660).

Almost surely, 2^313215342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313215342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363381120).

313215342 is an abundant number, since it is smaller than the sum of its proper divisors (413546898).

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

313215342 is a wasteful number, since it uses less digits than its factorization.

313215342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609.

The product of its digits is 2160, while the sum is 24.

The square root of 313215342 is about 17697.8908912898. The cubic root of 313215342 is about 679.1218060692.

Adding to 313215342 its reverse (243512313), we get a palindrome (556727655).

It can be divided in two parts, 31321 and 5342, that added together give a palindrome (36663).

The spelling of 313215342 in words is "three hundred thirteen million, two hundred fifteen thousand, three hundred forty-two".