3101222142 has 24 divisors (see below), whose sum is σ = 7072963560. Its totient is φ = 979333200.

The previous prime is 3101222129. The next prime is 3101222147. The reversal of 3101222142 is 2412221013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101222147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4533609 + ... + 4534292.

It is an arithmetic number, because the mean of its divisors is an integer number (294706815).

Almost surely, 2^3101222142 is an apocalyptic number.

3101222142 is an abundant number, since it is smaller than the sum of its proper divisors (3971741418).

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

3101222142 is a wasteful number, since it uses less digits than its factorization.

3101222142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9067928 (or 9067925 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3101222142 is about 55688.6177059550. The cubic root of 3101222142 is about 1458.2913240848.

Adding to 3101222142 its reverse (2412221013), we get a palindrome (5513443155).

The spelling of 3101222142 in words is "three billion, one hundred one million, two hundred twenty-two thousand, one hundred forty-two".