70313099 has 2 divisors, whose sum is σ = 70313100. Its totient is φ = 70313098.

The previous prime is 70313077. The next prime is 70313101. The reversal of 70313099 is 99031307.

Added to its reverse (99031307) it gives a triangular number (169344406 = T₁₈₄₀₃).

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70313099 - 2⁸ = 70312843 is a prime.

Together with 70313101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70313029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35156549 + 35156550.

It is an arithmetic number, because the mean of its divisors is an integer number (35156550).

Almost surely, 2^70313099 is an apocalyptic number.

70313099 is a deficient number, since it is larger than the sum of its proper divisors (1).

70313099 is an equidigital number, since it uses as much as digits as its factorization.

70313099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 70313099 is about 8385.2906330073. The cubic root of 70313099 is about 412.7420781704.

Adding to 70313099 its reverse (99031307), we get a triangular number (169344406 = T₁₈₄₀₃).

The spelling of 70313099 in words is "seventy million, three hundred thirteen thousand, ninety-nine".