313212546 has 12 divisors (see below), whose sum is σ = 678627222. Its totient is φ = 104404176.

The previous prime is 313212479. The next prime is 313212547. The reversal of 313212546 is 645212313.

It can be written as a sum of positive squares in only one way, i.e., 249292521 + 63920025 = 15789^2 + 7995^2 .

It is not an unprimeable number, because it can be changed into a prime (313212547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8700331 + ... + 8700366.

Almost surely, 2^313212546 is an apocalyptic number.

313212546 is an abundant number, since it is smaller than the sum of its proper divisors (365414676).

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

313212546 is a wasteful number, since it uses less digits than its factorization.

313212546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17400705 (or 17400702 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 313212546 is about 17697.8118986501. The cubic root of 313212546 is about 679.1197852760.

Adding to 313212546 its reverse (645212313), we get a palindrome (958424859).

The spelling of 313212546 in words is "three hundred thirteen million, two hundred twelve thousand, five hundred forty-six".