1304221101231 has 16 divisors (see below), whose sum is σ = 1750250880000. Its totient is φ = 863841246048.

The previous prime is 1304221101221. The next prime is 1304221101247. The reversal of 1304221101231 is 1321011224031.

It is not a de Polignac number, because 1304221101231 - 2⁵ = 1304221101199 is a prime.

It is a super-2 number, since 2×1304221101231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1304221101198 and 1304221101207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304221101221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 350365 + ... + 1652633.

It is an arithmetic number, because the mean of its divisors is an integer number (109390680000).

Almost surely, 2^{1304221101231} is an apocalyptic number.

1304221101231 is a deficient number, since it is larger than the sum of its proper divisors (446029778769).

1304221101231 is a wasteful number, since it uses less digits than its factorization.

1304221101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304438.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1304221101231 its reverse (1321011224031), we get a palindrome (2625232325262).

The spelling of 1304221101231 in words is "one trillion, three hundred four billion, two hundred twenty-one million, one hundred one thousand, two hundred thirty-one".