1231322203301 has 32 divisors (see below), whose sum is σ = 1290109161600. Its totient is φ = 1174277836800.

The previous prime is 1231322203289. The next prime is 1231322203303. The reversal of 1231322203301 is 1033022231321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231322203301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231322203303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148508966 + ... + 148517256.

It is an arithmetic number, because the mean of its divisors is an integer number (40315911300).

Almost surely, 2^{1231322203301} is an apocalyptic number.

It is an amenable number.

1231322203301 is a deficient number, since it is larger than the sum of its proper divisors (58786958299).

1231322203301 is a wasteful number, since it uses less digits than its factorization.

1231322203301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1231322203301 its reverse (1033022231321), we get a palindrome (2264344434622).

The spelling of 1231322203301 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred three thousand, three hundred one".