3122791045 has 32 divisors (see below), whose sum is σ = 4226310144. Its totient is φ = 2194516800.

The previous prime is 3122791043. The next prime is 3122791051. The reversal of 3122791045 is 5401972213.

It is a happy number.

It is not a de Polignac number, because 3122791045 - 2¹ = 3122791043 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3122791045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122791043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1811554 + ... + 1813276.

It is an arithmetic number, because the mean of its divisors is an integer number (132072192).

Almost surely, 2^3122791045 is an apocalyptic number.

It is an amenable number.

3122791045 is a deficient number, since it is larger than the sum of its proper divisors (1103519099).

3122791045 is a wasteful number, since it uses less digits than its factorization.

3122791045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3122791045 is about 55881.9384506300. The cubic root of 3122791045 is about 1461.6643066484.

It can be divided in two parts, 31 and 22791045, that added together give a square (22791076 = 4774²).

The spelling of 3122791045 in words is "three billion, one hundred twenty-two million, seven hundred ninety-one thousand, forty-five".