3121231233 has 8 divisors (see below), whose sum is σ = 4162103200. Its totient is φ = 2080590048.

The previous prime is 3121231207. The next prime is 3121231259. The reversal of 3121231233 is 3321321213.

It is an interprime number because it is at equal distance from previous prime (3121231207) and next prime (3121231259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121231233 - 2¹³ = 3121223041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121231273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23188 + ... + 82341.

It is an arithmetic number, because the mean of its divisors is an integer number (520262900).

Almost surely, 2^3121231233 is an apocalyptic number.

It is an amenable number.

3121231233 is a deficient number, since it is larger than the sum of its proper divisors (1040871967).

3121231233 is a wasteful number, since it uses less digits than its factorization.

3121231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115391.

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

The square root of 3121231233 is about 55867.9803912760. The cubic root of 3121231233 is about 1461.4209024629.

Adding to 3121231233 its reverse (3321321213), we get a palindrome (6442552446).

The spelling of 3121231233 in words is "three billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-three".