1020313511530 has 16 divisors (see below), whose sum is σ = 1837973833344. Its totient is φ = 407812179600.

The previous prime is 1020313511521. The next prime is 1020313511579. The reversal of 1020313511530 is 351153130201.

It is a junction number, because it is equal to n+sod(n) for n = 1020313511495 and 1020313511504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39139446 + ... + 39165505.

It is an arithmetic number, because the mean of its divisors is an integer number (114873364584).

Almost surely, 2^{1020313511530} is an apocalyptic number.

1020313511530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020313511530 is a deficient number, since it is larger than the sum of its proper divisors (817660321814).

1020313511530 is a wasteful number, since it uses less digits than its factorization.

1020313511530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78306261.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 1020313511530 its reverse (351153130201), we get a palindrome (1371466641731).

The spelling of 1020313511530 in words is "one trillion, twenty billion, three hundred thirteen million, five hundred eleven thousand, five hundred thirty".