20231811322 has 8 divisors (see below), whose sum is σ = 30377443572. Its totient is φ = 10105996800.

The previous prime is 20231811269. The next prime is 20231811323. The reversal of 20231811322 is 22311813202.

It can be written as a sum of positive squares in 2 ways, for example, as 19630531881 + 601279441 = 140109^2 + 24521^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20231811323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951879 + ... + 4955962.

Almost surely, 2^20231811322 is an apocalyptic number.

20231811322 is a deficient number, since it is larger than the sum of its proper divisors (10145632250).

20231811322 is a wasteful number, since it uses less digits than its factorization.

20231811322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908864.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20231811322 in words is "twenty billion, two hundred thirty-one million, eight hundred eleven thousand, three hundred twenty-two".