31233111221230 has 8 divisors (see below), whose sum is σ = 56219600198232. Its totient is φ = 12493244488488.

The previous prime is 31233111221219. The next prime is 31233111221239. The reversal of 31233111221230 is 3212211133213.

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

It is a junction number, because it is equal to n+sod(n) for n = 31233111221195 and 31233111221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233111221239) 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, 1561655561052 + ... + 1561655561071.

It is an arithmetic number, because the mean of its divisors is an integer number (7027450024779).

Almost surely, 2^{31233111221230} is an apocalyptic number.

31233111221230 is a deficient number, since it is larger than the sum of its proper divisors (24986488977002).

31233111221230 is a wasteful number, since it uses less digits than its factorization.

31233111221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123311122130.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31233111221230 its reverse (3212211133213), we get a palindrome (34445322354443).

The spelling of 31233111221230 in words is "thirty-one trillion, two hundred thirty-three billion, one hundred eleven million, two hundred twenty-one thousand, two hundred thirty".