101131321312 has 48 divisors (see below), whose sum is σ = 227749747680. Its totient is φ = 43303085568.

The previous prime is 101131321307. The next prime is 101131321331. The reversal of 101131321312 is 213123131101.

It is a self number, because there is not a number n which added to its sum of digits gives 101131321312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48114 + ... + 452302.

It is an arithmetic number, because the mean of its divisors is an integer number (4744786410).

Almost surely, 2^101131321312 is an apocalyptic number.

It is an amenable number.

101131321312 is an abundant number, since it is smaller than the sum of its proper divisors (126618426368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101131321312 is a wasteful number, since it uses less digits than its factorization.

101131321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405323 (or 405315 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 101131321312 its reverse (213123131101), we get a palindrome (314254452413).

The spelling of 101131321312 in words is "one hundred one billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred twelve".