3121323300097 has 2 divisors, whose sum is σ = 3121323300098. Its totient is φ = 3121323300096.

The previous prime is 3121323299971. The next prime is 3121323300113. The reversal of 3121323300097 is 7900033231213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2794366916496 + 326956383601 = 1671636^2 + 571801^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121323300097 - 2²³ = 3121314911489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3121323306097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560661650048 + 1560661650049.

It is an arithmetic number, because the mean of its divisors is an integer number (1560661650049).

Almost surely, 2^{3121323300097} is an apocalyptic number.

It is an amenable number.

3121323300097 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121323300097 is an equidigital number, since it uses as much as digits as its factorization.

3121323300097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 3121323300097 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-three million, three hundred thousand, ninety-seven".