1310321210315 has 32 divisors (see below), whose sum is σ = 1780874919936. Its totient is φ = 918263364480.

The previous prime is 1310321210311. The next prime is 1310321210321. The reversal of 1310321210315 is 5130121230131.

It is not a de Polignac number, because 1310321210315 - 2² = 1310321210311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310321210311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3260801 + ... + 3640530.

It is an arithmetic number, because the mean of its divisors is an integer number (55652341248).

Almost surely, 2^{1310321210315} is an apocalyptic number.

1310321210315 is a deficient number, since it is larger than the sum of its proper divisors (470553709621).

1310321210315 is a wasteful number, since it uses less digits than its factorization.

1310321210315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901499.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 1310321210315 its reverse (5130121230131), we get a palindrome (6440442440446).

The spelling of 1310321210315 in words is "one trillion, three hundred ten billion, three hundred twenty-one million, two hundred ten thousand, three hundred fifteen".