23131031202322 has 4 divisors (see below), whose sum is σ = 34696546803486. Its totient is φ = 11565515601160.

The previous prime is 23131031202317. The next prime is 23131031202341. The reversal of 23131031202322 is 22320213013132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22394199527001 + 736831675321 = 4732251^2 + 858389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782757800579 + ... + 5782757800582.

Almost surely, 2^{23131031202322} is an apocalyptic number.

23131031202322 is a deficient number, since it is larger than the sum of its proper divisors (11565515601164).

23131031202322 is a wasteful number, since it uses less digits than its factorization.

23131031202322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565515601163.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23131031202322 its reverse (22320213013132), we get a palindrome (45451244215454).

The spelling of 23131031202322 in words is "twenty-three trillion, one hundred thirty-one billion, thirty-one million, two hundred two thousand, three hundred twenty-two".