3131342225 has 24 divisors (see below), whose sum is σ = 4239163200. Its totient is φ = 2275560000.

The previous prime is 3131342213. The next prime is 3131342231. The reversal of 3131342225 is 5222431313.

It is a happy number.

It is not a de Polignac number, because 3131342225 - 2¹² = 3131338129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3131342194 and 3131342203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422300 + ... + 429650.

It is an arithmetic number, because the mean of its divisors is an integer number (176631800).

Almost surely, 2^3131342225 is an apocalyptic number.

It is an amenable number.

3131342225 is a deficient number, since it is larger than the sum of its proper divisors (1107820975).

3131342225 is a wasteful number, since it uses less digits than its factorization.

3131342225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921 (or 8916 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 3131342225 is about 55958.3972697575. The cubic root of 3131342225 is about 1462.9972556083.

Adding to 3131342225 its reverse (5222431313), we get a palindrome (8353773538).

The spelling of 3131342225 in words is "three billion, one hundred thirty-one million, three hundred forty-two thousand, two hundred twenty-five".