121332310313 has 2 divisors, whose sum is σ = 121332310314. Its totient is φ = 121332310312.

The previous prime is 121332310271. The next prime is 121332310361. The reversal of 121332310313 is 313013233121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71691133504 + 49641176809 = 267752^2 + 222803^2 .

It is a cyclic number.

It is not a de Polignac number, because 121332310313 - 2¹² = 121332306217 is a prime.

It is not a weakly prime, because it can be changed into another prime (121332310213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666155156 + 60666155157.

It is an arithmetic number, because the mean of its divisors is an integer number (60666155157).

Almost surely, 2^121332310313 is an apocalyptic number.

It is an amenable number.

121332310313 is a deficient number, since it is larger than the sum of its proper divisors (1).

121332310313 is an equidigital number, since it uses as much as digits as its factorization.

121332310313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121332310313 its reverse (313013233121), we get a palindrome (434345543434).

The spelling of 121332310313 in words is "one hundred twenty-one billion, three hundred thirty-two million, three hundred ten thousand, three hundred thirteen".