3121131322 has 16 divisors (see below), whose sum is σ = 4845515400. Its totient is φ = 1506012480.

The previous prime is 3121131301. The next prime is 3121131341. The reversal of 3121131322 is 2231311213.

3121131322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2368671561 + 752459761 = 48669^2 + 27431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3121131322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116704 + ... + 140932.

Almost surely, 2^3121131322 is an apocalyptic number.

3121131322 is a deficient number, since it is larger than the sum of its proper divisors (1724384078).

3121131322 is a wasteful number, since it uses less digits than its factorization.

3121131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26481.

The product of its digits is 216, while the sum is 19.

The square root of 3121131322 is about 55867.0862136196. The cubic root of 3121131322 is about 1461.4053088749.

Adding to 3121131322 its reverse (2231311213), we get a palindrome (5352442535).

The spelling of 3121131322 in words is "three billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred twenty-two".