31232430230 has 32 divisors (see below), whose sum is σ = 57009205728. Its totient is φ = 12317356800.

The previous prime is 31232430217. The next prime is 31232430239. The reversal of 31232430230 is 3203423213.

It is a junction number, because it is equal to n+sod(n) for n = 31232430196 and 31232430205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232430239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600840 + ... + 2612820.

It is an arithmetic number, because the mean of its divisors is an integer number (1781537679).

Almost surely, 2^31232430230 is an apocalyptic number.

31232430230 is a deficient number, since it is larger than the sum of its proper divisors (25776775498).

31232430230 is a wasteful number, since it uses less digits than its factorization.

31232430230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15632.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31232430230 its reverse (3203423213), we get a palindrome (34435853443).

The spelling of 31232430230 in words is "thirty-one billion, two hundred thirty-two million, four hundred thirty thousand, two hundred thirty".