1231322301 has 12 divisors (see below), whose sum is σ = 1940265600. Its totient is φ = 746255880.

The previous prime is 1231322293. The next prime is 1231322321. The reversal of 1231322301 is 1032231321.

1231322301 is a `hidden beast` number, since 12 + 31 + 322 + 301 = 666.

It is not a de Polignac number, because 1231322301 - 2³ = 1231322293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231322321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6218701 + ... + 6218898.

It is an arithmetic number, because the mean of its divisors is an integer number (161688800).

Almost surely, 2^1231322301 is an apocalyptic number.

1231322301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1231322301 is a deficient number, since it is larger than the sum of its proper divisors (708943299).

1231322301 is a wasteful number, since it uses less digits than its factorization.

1231322301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12437616 (or 12437613 counting only the distinct ones).

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

The square root of 1231322301 is about 35090.2023505137. The cubic root of 1231322301 is about 1071.8250801164.

Adding to 1231322301 its reverse (1032231321), we get a palindrome (2263553622).

It can be divided in two parts, 12 and 31322301, that added together give a palindrome (31322313).

The spelling of 1231322301 in words is "one billion, two hundred thirty-one million, three hundred twenty-two thousand, three hundred one".