31223140330230 has 24 divisors (see below), whose sum is σ = 81180164858832. Its totient is φ = 8326170754704.

The previous prime is 31223140330229. The next prime is 31223140330253. The reversal of 31223140330230 is 3203304132213.

31223140330230 is a `hidden beast` number, since 3 + 1 + 2 + 23 + 1 + 403 + 3 + 0 + 230 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31223140330194 and 31223140330203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173461890634 + ... + 173461890813.

It is an arithmetic number, because the mean of its divisors is an integer number (3382506869118).

Almost surely, 2^{31223140330230} is an apocalyptic number.

31223140330230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31223140330230 is an abundant number, since it is smaller than the sum of its proper divisors (49957024528602).

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

31223140330230 is a wasteful number, since it uses less digits than its factorization.

31223140330230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346923781460 (or 346923781457 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 31223140330230 its reverse (3203304132213), we get a palindrome (34426444462443).

The spelling of 31223140330230 in words is "thirty-one trillion, two hundred twenty-three billion, one hundred forty million, three hundred thirty thousand, two hundred thirty".