31312330211230 has 16 divisors (see below), whose sum is σ = 56604092214384. Its totient is φ = 12471177010240.

The previous prime is 31312330211219. The next prime is 31312330211233. The reversal of 31312330211230 is 3211203321313.

It is a super-2 number, since 2×31312330211230² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31312330211195 and 31312330211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312330211233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6719381836 + ... + 6719386495.

It is an arithmetic number, because the mean of its divisors is an integer number (3537755763399).

Almost surely, 2^{31312330211230} is an apocalyptic number.

31312330211230 is a deficient number, since it is larger than the sum of its proper divisors (25291762003154).

31312330211230 is a wasteful number, since it uses less digits than its factorization.

31312330211230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13438768571.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31312330211230 its reverse (3211203321313), we get a palindrome (34523533532543).

The spelling of 31312330211230 in words is "thirty-one trillion, three hundred twelve billion, three hundred thirty million, two hundred eleven thousand, two hundred thirty".