1310687497 has 8 divisors (see below), whose sum is σ = 1498191552. Its totient is φ = 1123249200.

The previous prime is 1310687489. The next prime is 1310687501. The reversal of 1310687497 is 7947860131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310687497 - 2³ = 1310687489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310607497) 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 7 ways as a sum of consecutive naturals, for example, 38547 + ... + 64087.

It is an arithmetic number, because the mean of its divisors is an integer number (187273944).

Almost surely, 2^1310687497 is an apocalyptic number.

It is an amenable number.

1310687497 is a deficient number, since it is larger than the sum of its proper divisors (187504055).

1310687497 is an equidigital number, since it uses as much as digits as its factorization.

1310687497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32879.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 1310687497 is about 36203.4183054584. The cubic root of 1310687497 is about 1094.3755596804.

The spelling of 1310687497 in words is "one billion, three hundred ten million, six hundred eighty-seven thousand, four hundred ninety-seven".