313232212 has 12 divisors (see below), whose sum is σ = 548382996. Its totient is φ = 156551360.

The previous prime is 313232203. The next prime is 313232221. The reversal of 313232212 is 212232313.

It is an interprime number because it is at equal distance from previous prime (313232203) and next prime (313232221).

It can be written as a sum of positive squares in 2 ways, for example, as 168896016 + 144336196 = 12996^2 + 12014^2 .

It is a super-2 number, since 2×313232212² = 196228837268825888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313232212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4339 + ... + 25402.

It is an arithmetic number, because the mean of its divisors is an integer number (45698583).

Almost surely, 2^313232212 is an apocalyptic number.

It is an amenable number.

313232212 is a deficient number, since it is larger than the sum of its proper divisors (235150784).

313232212 is a wasteful number, since it uses less digits than its factorization.

313232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32378 (or 32376 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 313232212 is about 17698.3674953370. The cubic root of 313232212 is about 679.1339985106.

Adding to 313232212 its reverse (212232313), we get a palindrome (525464525).

It can be divided in two parts, 3132 and 32212, that added together give a square (35344 = 188²).

The spelling of 313232212 in words is "three hundred thirteen million, two hundred thirty-two thousand, two hundred twelve".