121000032313 has 2 divisors, whose sum is σ = 121000032314. Its totient is φ = 121000032312.

The previous prime is 121000032253. The next prime is 121000032323. The reversal of 121000032313 is 313230000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109642441129 + 11357591184 = 331123^2 + 106572^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000032313 - 2¹⁷ = 120999901241 is a prime.

It is not a weakly prime, because it can be changed into another prime (121000032323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500016156 + 60500016157.

It is an arithmetic number, because the mean of its divisors is an integer number (60500016157).

Almost surely, 2^121000032313 is an apocalyptic number.

It is an amenable number.

121000032313 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000032313 is an equidigital number, since it uses as much as digits as its factorization.

121000032313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121000032313 its reverse (313230000121), we get a palindrome (434230032434).

The spelling of 121000032313 in words is "one hundred twenty-one billion, thirty-two thousand, three hundred thirteen".