1310428561 has 16 divisors (see below), whose sum is σ = 1497484800. Its totient is φ = 1136003328.

The previous prime is 1310428541. The next prime is 1310428577. The reversal of 1310428561 is 1658240131.

It is a cyclic number.

It is not a de Polignac number, because 1310428561 - 2⁵ = 1310428529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310428541) 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, 99670 + ... + 112048.

It is an arithmetic number, because the mean of its divisors is an integer number (93592800).

Almost surely, 2^1310428561 is an apocalyptic number.

It is an amenable number.

1310428561 is a deficient number, since it is larger than the sum of its proper divisors (187056239).

1310428561 is a wasteful number, since it uses less digits than its factorization.

1310428561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1310428561 is about 36199.8420024176. The cubic root of 1310428561 is about 1094.3034876080.

Adding to 1310428561 its reverse (1658240131), we get a palindrome (2968668692).

The spelling of 1310428561 in words is "one billion, three hundred ten million, four hundred twenty-eight thousand, five hundred sixty-one".