312030221339 has 2 divisors, whose sum is σ = 312030221340. Its totient is φ = 312030221338.

The previous prime is 312030221281. The next prime is 312030221353. The reversal of 312030221339 is 933122030213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312030221339 - 2³⁶ = 243310744603 is a prime.

It is not a weakly prime, because it can be changed into another prime (312030221359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156015110669 + 156015110670.

It is an arithmetic number, because the mean of its divisors is an integer number (156015110670).

Almost surely, 2^312030221339 is an apocalyptic number.

312030221339 is a deficient number, since it is larger than the sum of its proper divisors (1).

312030221339 is an equidigital number, since it uses as much as digits as its factorization.

312030221339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 312030221339 in words is "three hundred twelve billion, thirty million, two hundred twenty-one thousand, three hundred thirty-nine".