1310316261 has 8 divisors (see below), whose sum is σ = 1794307104. Its totient is φ = 849934800.

The previous prime is 1310316257. The next prime is 1310316263. The reversal of 1310316261 is 1626130131.

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

It is not a de Polignac number, because 1310316261 - 2² = 1310316257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310316263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5902215 + ... + 5902436.

It is an arithmetic number, because the mean of its divisors is an integer number (224288388).

Almost surely, 2^1310316261 is an apocalyptic number.

It is an amenable number.

1310316261 is a deficient number, since it is larger than the sum of its proper divisors (483990843).

1310316261 is a wasteful number, since it uses less digits than its factorization.

1310316261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11804691.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1310316261 is about 36198.2908574424. The cubic root of 1310316261 is about 1094.2722271496.

Adding to 1310316261 its reverse (1626130131), we get a palindrome (2936446392).

The spelling of 1310316261 in words is "one billion, three hundred ten million, three hundred sixteen thousand, two hundred sixty-one".