3123023331 has 16 divisors (see below), whose sum is σ = 4386800000. Its totient is φ = 1970811648.

The previous prime is 3123023327. The next prime is 3123023381. The reversal of 3123023331 is 1333203213.

It is not a de Polignac number, because 3123023331 - 2² = 3123023327 is a prime.

It is a super-2 number, since 2×3123023331² = 19506549451940671122, 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 = 3123023298 and 3123023307.

It is not an unprimeable number, because it can be changed into a prime (3123023381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49260 + ... + 93126.

It is an arithmetic number, because the mean of its divisors is an integer number (274175000).

Almost surely, 2^3123023331 is an apocalyptic number.

3123023331 is a deficient number, since it is larger than the sum of its proper divisors (1263776669).

3123023331 is a wasteful number, since it uses less digits than its factorization.

3123023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45138.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 3123023331 is about 55884.0167758188. The cubic root of 3123023331 is about 1461.7005472776.

Adding to 3123023331 its reverse (1333203213), we get a palindrome (4456226544).

The spelling of 3123023331 in words is "three billion, one hundred twenty-three million, twenty-three thousand, three hundred thirty-one".