231122232200009 has 2 divisors, whose sum is σ = 231122232200010. Its totient is φ = 231122232200008.

The previous prime is 231122232199979. The next prime is 231122232200107. The reversal of 231122232200009 is 900002232221132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221627532865600 + 9494699334409 = 14887160^2 + 3081347^2 .

It is a cyclic number.

It is not a de Polignac number, because 231122232200009 - 2⁸ = 231122232199753 is a prime.

It is a super-2 number, since 2×231122232200009² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231122232100009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561116100004 + 115561116100005.

It is an arithmetic number, because the mean of its divisors is an integer number (115561116100005).

Almost surely, 2^{231122232200009} is an apocalyptic number.

It is an amenable number.

231122232200009 is a deficient number, since it is larger than the sum of its proper divisors (1).

231122232200009 is an equidigital number, since it uses as much as digits as its factorization.

231122232200009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 231122232200009 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, two hundred thirty-two million, two hundred thousand, nine".