3128131941322 has 4 divisors (see below), whose sum is σ = 4692197911986. Its totient is φ = 1564065970660.

The previous prime is 3128131941289. The next prime is 3128131941323. The reversal of 3128131941322 is 2231491318213.

3128131941322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2433191297161 + 694940644161 = 1559869^2 + 833631^2 .

It is a super-2 number, since 2×3128131941322² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3128131941323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782032985329 + ... + 782032985332.

Almost surely, 2^{3128131941322} is an apocalyptic number.

3128131941322 is a deficient number, since it is larger than the sum of its proper divisors (1564065970664).

3128131941322 is a wasteful number, since it uses less digits than its factorization.

3128131941322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564065970663.

The product of its digits is 62208, while the sum is 40.

The spelling of 3128131941322 in words is "three trillion, one hundred twenty-eight billion, one hundred thirty-one million, nine hundred forty-one thousand, three hundred twenty-two".