3131320002322 has 8 divisors (see below), whose sum is σ = 4697043313356. Its totient is φ = 1565638897872.

The previous prime is 3131320002319. The next prime is 3131320002331. The reversal of 3131320002322 is 2232000231313.

It can be written as a sum of positive squares in 2 ways, for example, as 3131063009361 + 256992961 = 1769481^2 + 16031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3131320002293 and 3131320002302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10365513 + ... + 10663324.

Almost surely, 2^{3131320002322} is an apocalyptic number.

3131320002322 is a deficient number, since it is larger than the sum of its proper divisors (1565723311034).

3131320002322 is a wasteful number, since it uses less digits than its factorization.

3131320002322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21103292.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 3131320002322 its reverse (2232000231313), we get a palindrome (5363320233635).

The spelling of 3131320002322 in words is "three trillion, one hundred thirty-one billion, three hundred twenty million, two thousand, three hundred twenty-two".