3131143224 has 64 divisors (see below), whose sum is σ = 8833968000. Its totient is φ = 916110720.

The previous prime is 3131143207. The next prime is 3131143231. The reversal of 3131143224 is 4223411313.

It is a happy number.

It is a super-2 number, since 2×3131143224² = 19608115778402228352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3131143194 and 3131143203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196834 + ... + 212145.

It is an arithmetic number, because the mean of its divisors is an integer number (138030750).

Almost surely, 2^3131143224 is an apocalyptic number.

It is an amenable number.

3131143224 is an abundant number, since it is smaller than the sum of its proper divisors (5702824776).

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

3131143224 is a wasteful number, since it uses less digits than its factorization.

3131143224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409028 (or 409024 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 3131143224 is about 55956.6191258907. The cubic root of 3131143224 is about 1462.9662631388.

Adding to 3131143224 its reverse (4223411313), we get a palindrome (7354554537).

The spelling of 3131143224 in words is "three billion, one hundred thirty-one million, one hundred forty-three thousand, two hundred twenty-four".