1311410233465 has 32 divisors (see below), whose sum is σ = 1667055329280. Its totient is φ = 987591393216.

The previous prime is 1311410233459. The next prime is 1311410233591. The reversal of 1311410233465 is 5643320141131.

It is a cyclic number.

It is not a de Polignac number, because 1311410233465 - 2¹³ = 1311410225273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311410233465.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109983994 + ... + 109995916.

It is an arithmetic number, because the mean of its divisors is an integer number (52095479040).

Almost surely, 2^{1311410233465} is an apocalyptic number.

It is an amenable number.

1311410233465 is a deficient number, since it is larger than the sum of its proper divisors (355645095815).

1311410233465 is a wasteful number, since it uses less digits than its factorization.

1311410233465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19213.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 1311410233465 its reverse (5643320141131), we get a palindrome (6954730374596).

The spelling of 1311410233465 in words is "one trillion, three hundred eleven billion, four hundred ten million, two hundred thirty-three thousand, four hundred sixty-five".