1321300103530 has 32 divisors (see below), whose sum is σ = 2595280264128. Its totient is φ = 480338073600.

The previous prime is 1321300103507. The next prime is 1321300103579. The reversal of 1321300103530 is 353010031231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289047 + ... + 2074666.

It is an arithmetic number, because the mean of its divisors is an integer number (81102508254).

Almost surely, 2^{1321300103530} is an apocalyptic number.

1321300103530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321300103530 is a deficient number, since it is larger than the sum of its proper divisors (1273980160598).

1321300103530 is a wasteful number, since it uses less digits than its factorization.

1321300103530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367302.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 1321300103530 its reverse (353010031231), we get a palindrome (1674310134761).

The spelling of 1321300103530 in words is "one trillion, three hundred twenty-one billion, three hundred million, one hundred three thousand, five hundred thirty".