1303312315939 has 2 divisors, whose sum is σ = 1303312315940. Its totient is φ = 1303312315938.

The previous prime is 1303312315891. The next prime is 1303312315951. The reversal of 1303312315939 is 9395132133031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303312315939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303312315895 and 1303312315904.

It is not a weakly prime, because it can be changed into another prime (1303312315979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651656157969 + 651656157970.

It is an arithmetic number, because the mean of its divisors is an integer number (651656157970).

Almost surely, 2^{1303312315939} is an apocalyptic number.

1303312315939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303312315939 is an equidigital number, since it uses as much as digits as its factorization.

1303312315939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196830, while the sum is 43.

The spelling of 1303312315939 in words is "one trillion, three hundred three billion, three hundred twelve million, three hundred fifteen thousand, nine hundred thirty-nine".