1021310005145 has 8 divisors (see below), whose sum is σ = 1225684602240. Its totient is φ = 816972940080.

The previous prime is 1021310005061. The next prime is 1021310005201. The reversal of 1021310005145 is 5415000131201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1021310005145 - 2¹⁸ = 1021309743001 is a prime.

It is a super-3 number, since 3×1021310005145³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021310005145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9323105 + ... + 9432014.

It is an arithmetic number, because the mean of its divisors is an integer number (153210575280).

Almost surely, 2^{1021310005145} is an apocalyptic number.

It is an amenable number.

1021310005145 is a deficient number, since it is larger than the sum of its proper divisors (204374597095).

1021310005145 is a wasteful number, since it uses less digits than its factorization.

1021310005145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18766015.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 1021310005145 its reverse (5415000131201), we get a palindrome (6436310136346).

The spelling of 1021310005145 in words is "one trillion, twenty-one billion, three hundred ten million, five thousand, one hundred forty-five".