131012211230312 has 16 divisors (see below), whose sum is σ = 245648232273600. Its totient is φ = 65506015957360.

The previous prime is 131012211230239. The next prime is 131012211230317. The reversal of 131012211230312 is 213032112210131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131012211230317) 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, 4780112 + ... + 16878207.

It is an arithmetic number, because the mean of its divisors is an integer number (15353014517100).

Almost surely, 2^{131012211230312} is an apocalyptic number.

It is an amenable number.

131012211230312 is a deficient number, since it is larger than the sum of its proper divisors (114636021043288).

131012211230312 is a wasteful number, since it uses less digits than its factorization.

131012211230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22414456 (or 22414452 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131012211230312 its reverse (213032112210131), we get a palindrome (344044323440443).

The spelling of 131012211230312 in words is "one hundred thirty-one trillion, twelve billion, two hundred eleven million, two hundred thirty thousand, three hundred twelve".