1310440523099 has 4 divisors (see below), whose sum is σ = 1315923538080. Its totient is φ = 1304957508120.

The previous prime is 1310440523081. The next prime is 1310440523107. The reversal of 1310440523099 is 9903250440131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310440523099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310440523699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2741507132 + ... + 2741507609.

It is an arithmetic number, because the mean of its divisors is an integer number (328980884520).

Almost surely, 2^{1310440523099} is an apocalyptic number.

1310440523099 is a deficient number, since it is larger than the sum of its proper divisors (5483014981).

1310440523099 is an equidigital number, since it uses as much as digits as its factorization.

1310440523099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483014980.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 1310440523099 in words is "one trillion, three hundred ten billion, four hundred forty million, five hundred twenty-three thousand, ninety-nine".