314040232721 has 2 divisors, whose sum is σ = 314040232722. Its totient is φ = 314040232720.

The previous prime is 314040232717. The next prime is 314040232741. The reversal of 314040232721 is 127232040413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269335050625 + 44705182096 = 518975^2 + 211436^2 .

It is a cyclic number.

It is not a de Polignac number, because 314040232721 - 2² = 314040232717 is a prime.

It is not a weakly prime, because it can be changed into another prime (314040232741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157020116360 + 157020116361.

It is an arithmetic number, because the mean of its divisors is an integer number (157020116361).

Almost surely, 2^314040232721 is an apocalyptic number.

It is an amenable number.

314040232721 is a deficient number, since it is larger than the sum of its proper divisors (1).

314040232721 is an equidigital number, since it uses as much as digits as its factorization.

314040232721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 314040232721 in words is "three hundred fourteen billion, forty million, two hundred thirty-two thousand, seven hundred twenty-one".