3123043131 has 16 divisors (see below), whose sum is σ = 4491719456. Its totient is φ = 1918722816.

The previous prime is 3123043111. The next prime is 3123043163. The reversal of 3123043131 is 1313403213.

It is not a de Polignac number, because 3123043131 - 2⁶ = 3123043067 is a prime.

It is a super-2 number, since 2×3123043131² = 19506796796172566322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123043098 and 3123043107.

It is not an unprimeable number, because it can be changed into a prime (3123043111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41410 + ... + 89223.

It is an arithmetic number, because the mean of its divisors is an integer number (280732466).

Almost surely, 2^3123043131 is an apocalyptic number.

3123043131 is a deficient number, since it is larger than the sum of its proper divisors (1368676325).

3123043131 is a wasteful number, since it uses less digits than its factorization.

3123043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131262.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3123043131 is about 55884.1939281583. The cubic root of 3123043131 is about 1461.7036363366.

Adding to 3123043131 its reverse (1313403213), we get a palindrome (4436446344).

The spelling of 3123043131 in words is "three billion, one hundred twenty-three million, forty-three thousand, one hundred thirty-one".