1310265345 has 16 divisors (see below), whose sum is σ = 2096894592. Its totient is φ = 698651520.

The previous prime is 1310265337. The next prime is 1310265353. The reversal of 1310265345 is 5435620131.

It is an interprime number because it is at equal distance from previous prime (1310265337) and next prime (1310265353).

It is not a de Polignac number, because 1310265345 - 2³ = 1310265337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96709 + ... + 109421.

It is an arithmetic number, because the mean of its divisors is an integer number (131055912).

Almost surely, 2^1310265345 is an apocalyptic number.

1310265345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1310265345 is a deficient number, since it is larger than the sum of its proper divisors (786629247).

1310265345 is a wasteful number, since it uses less digits than its factorization.

1310265345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19592.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1310265345 is about 36197.5875577365. The cubic root of 1310265345 is about 1094.2580532976.

Adding to 1310265345 its reverse (5435620131), we get a palindrome (6745885476).

The spelling of 1310265345 in words is "one billion, three hundred ten million, two hundred sixty-five thousand, three hundred forty-five".