31301312230 has 16 divisors (see below), whose sum is σ = 56346704640. Its totient is φ = 12519559872.

The previous prime is 31301312221. The next prime is 31301312233. The reversal of 31301312230 is 3221310313.

It is a junction number, because it is equal to n+sod(n) for n = 31301312198 and 31301312207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301312233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23842 + ... + 251338.

It is an arithmetic number, because the mean of its divisors is an integer number (3521669040).

Almost surely, 2^31301312230 is an apocalyptic number.

31301312230 is a deficient number, since it is larger than the sum of its proper divisors (25045392410).

31301312230 is a wasteful number, since it uses less digits than its factorization.

31301312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241263.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31301312230 its reverse (3221310313), we get a palindrome (34522622543).

The spelling of 31301312230 in words is "thirty-one billion, three hundred one million, three hundred twelve thousand, two hundred thirty".