231230212333330 has 48 divisors (see below), whose sum is σ = 484368569352576. Its totient is φ = 79246047360480.

The previous prime is 231230212333301. The next prime is 231230212333339. The reversal of 231230212333330 is 33333212032132.

It is a super-2 number, since 2×231230212333330² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231230212333292 and 231230212333301.

It is not an unprimeable number, because it can be changed into a prime (231230212333339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96682234 + ... + 99045013.

It is an arithmetic number, because the mean of its divisors is an integer number (10091011861512).

Almost surely, 2^{231230212333330} is an apocalyptic number.

231230212333330 is an abundant number, since it is smaller than the sum of its proper divisors (253138357019246).

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

231230212333330 is a wasteful number, since it uses less digits than its factorization.

231230212333330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195729679 (or 195729672 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 231230212333330 its reverse (33333212032132), we get a palindrome (264563424365462).

The spelling of 231230212333330 in words is "two hundred thirty-one trillion, two hundred thirty billion, two hundred twelve million, three hundred thirty-three thousand, three hundred thirty".