31303103099 has 2 divisors, whose sum is σ = 31303103100. Its totient is φ = 31303103098.

The previous prime is 31303103033. The next prime is 31303103113. The reversal of 31303103099 is 99030130313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31303103099 is a prime.

It is not a weakly prime, because it can be changed into another prime (31303103009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651551549 + 15651551550.

It is an arithmetic number, because the mean of its divisors is an integer number (15651551550).

Almost surely, 2^31303103099 is an apocalyptic number.

31303103099 is a deficient number, since it is larger than the sum of its proper divisors (1).

31303103099 is an equidigital number, since it uses as much as digits as its factorization.

31303103099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 32.

The spelling of 31303103099 in words is "thirty-one billion, three hundred three million, one hundred three thousand, ninety-nine".