3101212444 has 24 divisors (see below), whose sum is σ = 5928443136. Its totient is φ = 1407750000.

The previous prime is 3101212423. The next prime is 3101212447. The reversal of 3101212444 is 4442121013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101212447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13882 + ... + 79969.

It is an arithmetic number, because the mean of its divisors is an integer number (247018464).

Almost surely, 2^3101212444 is an apocalyptic number.

It is an amenable number.

3101212444 is a deficient number, since it is larger than the sum of its proper divisors (2827230692).

3101212444 is a wasteful number, since it uses less digits than its factorization.

3101212444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94617 (or 94615 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3101212444 is about 55688.5306324381. The cubic root of 3101212444 is about 1458.2898039825.

Adding to 3101212444 its reverse (4442121013), we get a palindrome (7543333457).

The spelling of 3101212444 in words is "three billion, one hundred one million, two hundred twelve thousand, four hundred forty-four".