231022323220151 has 2 divisors, whose sum is σ = 231022323220152. Its totient is φ = 231022323220150.

The previous prime is 231022323220099. The next prime is 231022323220229. The reversal of 231022323220151 is 151022323220132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231022323220151 - 2²⁶ = 231022256111287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231022323226151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115511161610075 + 115511161610076.

It is an arithmetic number, because the mean of its divisors is an integer number (115511161610076).

Almost surely, 2^{231022323220151} is an apocalyptic number.

231022323220151 is a deficient number, since it is larger than the sum of its proper divisors (1).

231022323220151 is an equidigital number, since it uses as much as digits as its factorization.

231022323220151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 231022323220151 its reverse (151022323220132), we get a palindrome (382044646440283).

The spelling of 231022323220151 in words is "two hundred thirty-one trillion, twenty-two billion, three hundred twenty-three million, two hundred twenty thousand, one hundred fifty-one".