103431319 has 2 divisors, whose sum is σ = 103431320. Its totient is φ = 103431318.

The previous prime is 103431257. The next prime is 103431329. The reversal of 103431319 is 913134301.

It is a strong prime.

It is an emirp because it is prime and its reverse (913134301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103431319 - 2²³ = 95042711 is a prime.

It is a super-2 number, since 2×103431319² = 21396075500159522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103431293 and 103431302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103431329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51715659 + 51715660.

It is an arithmetic number, because the mean of its divisors is an integer number (51715660).

Almost surely, 2^103431319 is an apocalyptic number.

103431319 is a deficient number, since it is larger than the sum of its proper divisors (1).

103431319 is an equidigital number, since it uses as much as digits as its factorization.

103431319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 103431319 is about 10170.1189275249. The cubic root of 103431319 is about 469.4082170141.

The spelling of 103431319 in words is "one hundred three million, four hundred thirty-one thousand, three hundred nineteen".