231533454051222 has 8 divisors (see below), whose sum is σ = 463066908102456. Its totient is φ = 77177818017072.

The previous prime is 231533454051209. The next prime is 231533454051223. The reversal of 231533454051222 is 222150454335132.

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

231533454051222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231533454051223) 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, 19294454504263 + ... + 19294454504274.

It is an arithmetic number, because the mean of its divisors is an integer number (57883363512807).

Almost surely, 2^{231533454051222} is an apocalyptic number.

231533454051222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231533454051222 is a wasteful number, since it uses less digits than its factorization.

231533454051222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38588909008542.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 231533454051222 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, four hundred fifty-four million, fifty-one thousand, two hundred twenty-two".