1310242655 has 8 divisors (see below), whose sum is σ = 1583768592. Its totient is φ = 1040542528.

The previous prime is 1310242651. The next prime is 1310242657. The reversal of 1310242655 is 5562420131.

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 1310242655 - 2² = 1310242651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310242651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955697 + ... + 957066.

It is an arithmetic number, because the mean of its divisors is an integer number (197971074).

Almost surely, 2^1310242655 is an apocalyptic number.

1310242655 is a deficient number, since it is larger than the sum of its proper divisors (273525937).

1310242655 is a wasteful number, since it uses less digits than its factorization.

1310242655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912905.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1310242655 is about 36197.2741377027. The cubic root of 1310242655 is about 1094.2517368013.

Adding to 1310242655 its reverse (5562420131), we get a palindrome (6872662786).

The spelling of 1310242655 in words is "one billion, three hundred ten million, two hundred forty-two thousand, six hundred fifty-five".