1321300200231 has 40 divisors (see below), whose sum is σ = 2154084375168. Its totient is φ = 800470242000.

The previous prime is 1321300200203. The next prime is 1321300200277. The reversal of 1321300200231 is 1320020031231.

1321300200231 is a `hidden beast` number, since 1 + 321 + 300 + 20 + 0 + 23 + 1 = 666.

It is not a de Polignac number, because 1321300200231 - 2⁶ = 1321300200167 is a prime.

It is a super-2 number, since 2×1321300200231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321300200431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1962166 + ... + 2548076.

Almost surely, 2^{1321300200231} is an apocalyptic number.

1321300200231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1321300200231 is a deficient number, since it is larger than the sum of its proper divisors (832784174937).

1321300200231 is a wasteful number, since it uses less digits than its factorization.

1321300200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588465 (or 588456 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1321300200231 its reverse (1320020031231), we get a palindrome (2641320231462).

The spelling of 1321300200231 in words is "one trillion, three hundred twenty-one billion, three hundred million, two hundred thousand, two hundred thirty-one".