31223130302107 has 2 divisors, whose sum is σ = 31223130302108. Its totient is φ = 31223130302106.

The previous prime is 31223130302099. The next prime is 31223130302131. The reversal of 31223130302107 is 70120303132213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31223130302107 - 2³ = 31223130302099 is a prime.

It is a super-2 number, since 2×31223130302107² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31223130306107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611565151053 + 15611565151054.

It is an arithmetic number, because the mean of its divisors is an integer number (15611565151054).

Almost surely, 2^{31223130302107} is an apocalyptic number.

31223130302107 is a deficient number, since it is larger than the sum of its proper divisors (1).

31223130302107 is an equidigital number, since it uses as much as digits as its factorization.

31223130302107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 31223130302107 in words is "thirty-one trillion, two hundred twenty-three billion, one hundred thirty million, three hundred two thousand, one hundred seven".