1232202231311 has 8 divisors (see below), whose sum is σ = 1286570459520. Its totient is φ = 1177900187992.

The previous prime is 1232202231283. The next prime is 1232202231331. The reversal of 1232202231311 is 1131322022321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232202231311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232202231331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16508165 + ... + 16582638.

It is an arithmetic number, because the mean of its divisors is an integer number (160821307440).

Almost surely, 2^{1232202231311} is an apocalyptic number.

1232202231311 is a deficient number, since it is larger than the sum of its proper divisors (54368228209).

1232202231311 is a wasteful number, since it uses less digits than its factorization.

1232202231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33092445.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1232202231311 its reverse (1131322022321), we get a palindrome (2363524253632).

The spelling of 1232202231311 in words is "one trillion, two hundred thirty-two billion, two hundred two million, two hundred thirty-one thousand, three hundred eleven".