3123202231 has 2 divisors, whose sum is σ = 3123202232. Its totient is φ = 3123202230.

The previous prime is 3123202213. The next prime is 3123202283. The reversal of 3123202231 is 1322023213.

Together with previous prime (3123202213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123202231 - 2²³ = 3114813623 is a prime.

It is a super-2 number, since 2×3123202231² = 19508784351446754722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3123202199 and 3123202208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123202331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561601115 + 1561601116.

It is an arithmetic number, because the mean of its divisors is an integer number (1561601116).

Almost surely, 2^3123202231 is an apocalyptic number.

3123202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123202231 is an equidigital number, since it uses as much as digits as its factorization.

3123202231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3123202231 is about 55885.6173894500. The cubic root of 3123202231 is about 1461.7284575435.

Adding to 3123202231 its reverse (1322023213), we get a palindrome (4445225444).

The spelling of 3123202231 in words is "three billion, one hundred twenty-three million, two hundred two thousand, two hundred thirty-one".