103313389 has 2 divisors, whose sum is σ = 103313390. Its totient is φ = 103313388.

The previous prime is 103313387. The next prime is 103313453. The reversal of 103313389 is 983313301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95844100 + 7469289 = 9790^2 + 2733^2 .

It is a cyclic number.

It is not a de Polignac number, because 103313389 - 2¹ = 103313387 is a prime.

Together with 103313387, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 103313389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103313383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51656694 + 51656695.

It is an arithmetic number, because the mean of its divisors is an integer number (51656695).

Almost surely, 2^103313389 is an apocalyptic number.

It is an amenable number.

103313389 is a deficient number, since it is larger than the sum of its proper divisors (1).

103313389 is an equidigital number, since it uses as much as digits as its factorization.

103313389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 103313389 is about 10164.3194066302. The cubic root of 103313389 is about 469.2297463666.

The spelling of 103313389 in words is "one hundred three million, three hundred thirteen thousand, three hundred eighty-nine".