3124430764321 has 2 divisors, whose sum is σ = 3124430764322. Its totient is φ = 3124430764320.

The previous prime is 3124430764291. The next prime is 3124430764331. The reversal of 3124430764321 is 1234670344213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3056591352721 + 67839411600 = 1748311^2 + 260460^2 .

It is an emirp because it is prime and its reverse (1234670344213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3124430764321 - 2¹⁹ = 3124430240033 is a prime.

It is not a weakly prime, because it can be changed into another prime (3124430764331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562215382160 + 1562215382161.

It is an arithmetic number, because the mean of its divisors is an integer number (1562215382161).

Almost surely, 2^{3124430764321} is an apocalyptic number.

It is an amenable number.

3124430764321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3124430764321 is an equidigital number, since it uses as much as digits as its factorization.

3124430764321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 3124430764321 in words is "three trillion, one hundred twenty-four billion, four hundred thirty million, seven hundred sixty-four thousand, three hundred twenty-one".