3121202030993 has 2 divisors, whose sum is σ = 3121202030994. Its totient is φ = 3121202030992.

The previous prime is 3121202030983. The next prime is 3121202031023. The reversal of 3121202030993 is 3990302021213.

It is a happy number.

3121202030993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3120652972369 + 549058624 = 1766537^2 + 23432^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121202030993 - 2⁶ = 3121202030929 is a prime.

It is not a weakly prime, because it can be changed into another prime (3121202030963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560601015496 + 1560601015497.

It is an arithmetic number, because the mean of its divisors is an integer number (1560601015497).

Almost surely, 2^{3121202030993} is an apocalyptic number.

It is an amenable number.

3121202030993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121202030993 is an equidigital number, since it uses as much as digits as its factorization.

3121202030993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 3121202030993 in words is "three trillion, one hundred twenty-one billion, two hundred two million, thirty thousand, nine hundred ninety-three".