3100231212 has 48 divisors (see below), whose sum is σ = 7799269632. Its totient is φ = 952822080.

The previous prime is 3100231201. The next prime is 3100231213. The reversal of 3100231212 is 2121320013.

It is a super-2 number, since 2×3100231212² = 19222867135717977888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3100231191 and 3100231200.

It is not an unprimeable number, because it can be changed into a prime (3100231213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130537 + ... + 152447.

It is an arithmetic number, because the mean of its divisors is an integer number (162484784).

Almost surely, 2^3100231212 is an apocalyptic number.

It is an amenable number.

3100231212 is an abundant number, since it is smaller than the sum of its proper divisors (4699038420).

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

3100231212 is a wasteful number, since it uses less digits than its factorization.

3100231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22838 (or 22836 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3100231212 is about 55679.7199346405. The cubic root of 3100231212 is about 1458.1359854799.

Adding to 3100231212 its reverse (2121320013), we get a palindrome (5221551225).

The spelling of 3100231212 in words is "three billion, one hundred million, two hundred thirty-one thousand, two hundred twelve".