1310853985 has 16 divisors (see below), whose sum is σ = 1892361600. Its totient is φ = 851561856.

The previous prime is 1310853983. The next prime is 1310853997. The reversal of 1310853985 is 5893580131.

It is a cyclic number.

It is not a de Polignac number, because 1310853985 - 2¹ = 1310853983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310853983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984940 + ... + 986269.

It is an arithmetic number, because the mean of its divisors is an integer number (118272600).

Almost surely, 2^1310853985 is an apocalyptic number.

It is an amenable number.

1310853985 is a deficient number, since it is larger than the sum of its proper divisors (581507615).

1310853985 is a wasteful number, since it uses less digits than its factorization.

1310853985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971240.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 1310853985 is about 36205.7175733336. The cubic root of 1310853985 is about 1094.4218948251.

The spelling of 1310853985 in words is "one billion, three hundred ten million, eight hundred fifty-three thousand, nine hundred eighty-five".