3142112321 has 2 divisors, whose sum is σ = 3142112322. Its totient is φ = 3142112320.

The previous prime is 3142112287. The next prime is 3142112339. The reversal of 3142112321 is 1232112413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2909092096 + 233020225 = 53936^2 + 15265^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142112321 - 2¹⁸ = 3141850177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3142112293 and 3142112302.

It is not a weakly prime, because it can be changed into another prime (3142112381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571056160 + 1571056161.

It is an arithmetic number, because the mean of its divisors is an integer number (1571056161).

Almost surely, 2^3142112321 is an apocalyptic number.

It is an amenable number.

3142112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142112321 is an equidigital number, since it uses as much as digits as its factorization.

3142112321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 3142112321 is about 56054.5477280836. The cubic root of 3142112321 is about 1464.6726383988.

Adding to 3142112321 its reverse (1232112413), we get a palindrome (4374224734).

The spelling of 3142112321 in words is "three billion, one hundred forty-two million, one hundred twelve thousand, three hundred twenty-one".