313233031233212 has 12 divisors (see below), whose sum is σ = 548158349731776. Its totient is φ = 156616359881280.

The previous prime is 313233031233167. The next prime is 313233031233217. The reversal of 313233031233212 is 212332130332313.

It is a happy number.

It is a super-2 number, since 2×313233031233212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313233031233217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34348364 + ... + 42500307.

It is an arithmetic number, because the mean of its divisors is an integer number (45679862477648).

Almost surely, 2^{313233031233212} is an apocalyptic number.

It is an amenable number.

313233031233212 is a deficient number, since it is larger than the sum of its proper divisors (234925318498564).

313233031233212 is a wasteful number, since it uses less digits than its factorization.

313233031233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77867668 (or 77867666 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 313233031233212 its reverse (212332130332313), we get a palindrome (525565161565525).

The spelling of 313233031233212 in words is "three hundred thirteen trillion, two hundred thirty-three billion, thirty-one million, two hundred thirty-three thousand, two hundred twelve".