1310330997 has 6 divisors (see below), whose sum is σ = 1892700342. Its totient is φ = 873553992.

The previous prime is 1310330969. The next prime is 1310331007. The reversal of 1310330997 is 7990330131.

1310330997 is a `hidden beast` number, since 1 + 310 + 330 + 9 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1309426596 + 904401 = 36186^2 + 951^2 .

It is not a de Polignac number, because 1310330997 - 2⁶ = 1310330933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310330297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72796158 + ... + 72796175.

It is an arithmetic number, because the mean of its divisors is an integer number (315450057).

Almost surely, 2^1310330997 is an apocalyptic number.

It is an amenable number.

1310330997 is a deficient number, since it is larger than the sum of its proper divisors (582369345).

1310330997 is a wasteful number, since it uses less digits than its factorization.

1310330997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145592339 (or 145592336 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 36.

The square root of 1310330997 is about 36198.4944023919. The cubic root of 1310330997 is about 1094.2763292471.

It can be divided in two parts, 13103 and 30997, that added together give a square (44100 = 210²).

The spelling of 1310330997 in words is "one billion, three hundred ten million, three hundred thirty thousand, nine hundred ninety-seven".