103211293 has 2 divisors, whose sum is σ = 103211294. Its totient is φ = 103211292.

The previous prime is 103211239. The next prime is 103211341. The reversal of 103211293 is 392112301.

Together with previous prime (103211239) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102475129 + 736164 = 10123^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 103211293 - 2¹⁷ = 103080221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103211393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605646 + 51605647.

It is an arithmetic number, because the mean of its divisors is an integer number (51605647).

Almost surely, 2^103211293 is an apocalyptic number.

It is an amenable number.

103211293 is a deficient number, since it is larger than the sum of its proper divisors (1).

103211293 is an equidigital number, since it uses as much as digits as its factorization.

103211293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 103211293 is about 10159.2958909562. The cubic root of 103211293 is about 469.0751285577.

Adding to 103211293 its reverse (392112301), we get a palindrome (495323594).

The spelling of 103211293 in words is "one hundred three million, two hundred eleven thousand, two hundred ninety-three".