1021310004513 has 8 divisors (see below), whose sum is σ = 1441849418208. Its totient is φ = 640821963584.

The previous prime is 1021310004509. The next prime is 1021310004541. The reversal of 1021310004513 is 3154000131201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021310004513 - 2² = 1021310004509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021310004513.

It is not an unprimeable number, because it can be changed into a prime (1021310004503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10012843131 + ... + 10012843232.

It is an arithmetic number, because the mean of its divisors is an integer number (180231177276).

Almost surely, 2^{1021310004513} is an apocalyptic number.

It is an amenable number.

1021310004513 is a deficient number, since it is larger than the sum of its proper divisors (420539413695).

1021310004513 is a wasteful number, since it uses less digits than its factorization.

1021310004513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025686383.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 1021310004513 its reverse (3154000131201), we get a palindrome (4175310135714).

The spelling of 1021310004513 in words is "one trillion, twenty-one billion, three hundred ten million, four thousand, five hundred thirteen".