1310315221545 has 16 divisors (see below), whose sum is σ = 2287095659712. Its totient is φ = 635304349760.

The previous prime is 1310315221487. The next prime is 1310315221547. The reversal of 1310315221545 is 5451225130131.

It is not a de Polignac number, because 1310315221545 - 2¹⁴ = 1310315205161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1310315221547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3970652022 + ... + 3970652351.

It is an arithmetic number, because the mean of its divisors is an integer number (142943478732).

Almost surely, 2^{1310315221545} is an apocalyptic number.

1310315221545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1310315221545 is a deficient number, since it is larger than the sum of its proper divisors (976780438167).

1310315221545 is a wasteful number, since it uses less digits than its factorization.

1310315221545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941304392.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1310315221545 in words is "one trillion, three hundred ten billion, three hundred fifteen million, two hundred twenty-one thousand, five hundred forty-five".