3123435010321 has 2 divisors, whose sum is σ = 3123435010322. Its totient is φ = 3123435010320.

The previous prime is 3123435010313. The next prime is 3123435010331. The reversal of 3123435010321 is 1230105343213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2452778838225 + 670656172096 = 1566135^2 + 818936^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123435010321 - 2³ = 3123435010313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3123435010321.

It is not a weakly prime, because it can be changed into another prime (3123435010331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561717505160 + 1561717505161.

It is an arithmetic number, because the mean of its divisors is an integer number (1561717505161).

Almost surely, 2^{3123435010321} is an apocalyptic number.

It is an amenable number.

3123435010321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123435010321 is an equidigital number, since it uses as much as digits as its factorization.

3123435010321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 3123435010321 in words is "three trillion, one hundred twenty-three billion, four hundred thirty-five million, ten thousand, three hundred twenty-one".