1300311973 has 2 divisors, whose sum is σ = 1300311974. Its totient is φ = 1300311972.

The previous prime is 1300311953. The next prime is 1300312003. The reversal of 1300311973 is 3791130031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008824644 + 291487329 = 31762^2 + 17073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300311973 is a prime.

It is a super-2 number, since 2×1300311973² = 3381622454254305458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300311913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650155986 + 650155987.

It is an arithmetic number, because the mean of its divisors is an integer number (650155987).

Almost surely, 2^1300311973 is an apocalyptic number.

It is an amenable number.

1300311973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300311973 is an equidigital number, since it uses as much as digits as its factorization.

1300311973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 1300311973 is about 36059.8387822242. The cubic root of 1300311973 is about 1091.4801799532.

It can be divided in two parts, 13003 and 11973, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 1300311973 in words is "one billion, three hundred million, three hundred eleven thousand, nine hundred seventy-three".