3122644431 has 4 divisors (see below), whose sum is σ = 4163525912. Its totient is φ = 2081762952.

The previous prime is 3122644409. The next prime is 3122644543. The reversal of 3122644431 is 1344462213.

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

It is not a de Polignac number, because 3122644431 - 2⁶ = 3122644367 is a prime.

It is a super-2 number, since 2×3122644431² = 19501816484910627522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120644431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520440736 + ... + 520440741.

It is an arithmetic number, because the mean of its divisors is an integer number (1040881478).

Almost surely, 2^3122644431 is an apocalyptic number.

3122644431 is a deficient number, since it is larger than the sum of its proper divisors (1040881481).

3122644431 is a wasteful number, since it uses less digits than its factorization.

3122644431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040881480.

The product of its digits is 13824, while the sum is 30.

The square root of 3122644431 is about 55880.6266160286. The cubic root of 3122644431 is about 1461.6414314062.

It can be divided in two parts, 31226 and 44431, that added together give a palindrome (75657).

The spelling of 3122644431 in words is "three billion, one hundred twenty-two million, six hundred forty-four thousand, four hundred thirty-one".