231313231230 has 64 divisors (see below), whose sum is σ = 585797806080. Its totient is φ = 58338680576.

The previous prime is 231313231211. The next prime is 231313231249. The reversal of 231313231230 is 32132313132.

It is an interprime number because it is at equal distance from previous prime (231313231211) and next prime (231313231249).

It is a self number, because there is not a number n which added to its sum of digits gives 231313231230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1821942 + ... + 1944761.

It is an arithmetic number, because the mean of its divisors is an integer number (9153090720).

Almost surely, 2^231313231230 is an apocalyptic number.

231313231230 is an abundant number, since it is smaller than the sum of its proper divisors (354484574850).

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

231313231230 is a wasteful number, since it uses less digits than its factorization.

231313231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766825.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231313231230 its reverse (32132313132), we get a palindrome (263445544362).

The spelling of 231313231230 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred thirty".