1321150323363 has 16 divisors (see below), whose sum is σ = 1898146484640. Its totient is φ = 812539816704.

The previous prime is 1321150323347. The next prime is 1321150323373. The reversal of 1321150323363 is 3633230511231.

It is not a de Polignac number, because 1321150323363 - 2⁴ = 1321150323347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321150323373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9844306 + ... + 9977607.

It is an arithmetic number, because the mean of its divisors is an integer number (118634155290).

Almost surely, 2^{1321150323363} is an apocalyptic number.

1321150323363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1321150323363 is a deficient number, since it is larger than the sum of its proper divisors (576996161277).

1321150323363 is a wasteful number, since it uses less digits than its factorization.

1321150323363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19823638.

The product of its (nonzero) digits is 29160, while the sum is 33.

Adding to 1321150323363 its reverse (3633230511231), we get a palindrome (4954380834594).

The spelling of 1321150323363 in words is "one trillion, three hundred twenty-one billion, one hundred fifty million, three hundred twenty-three thousand, three hundred sixty-three".