101131230312 has 192 divisors, whose sum is σ = 325454438400. Its totient is φ = 27760786560.

The previous prime is 101131230307. The next prime is 101131230323. The reversal of 101131230312 is 213032131101.

101131230312 is a `hidden beast` number, since 1 + 0 + 11 + 312 + 30 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2148453 + ... + 2195019.

It is an arithmetic number, because the mean of its divisors is an integer number (1695075200).

Almost surely, 2^101131230312 is an apocalyptic number.

101131230312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101131230312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162727219200).

101131230312 is an abundant number, since it is smaller than the sum of its proper divisors (224323208088).

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

101131230312 is a wasteful number, since it uses less digits than its factorization.

101131230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46756 (or 46749 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101131230312 its reverse (213032131101), we get a palindrome (314163361413).

The spelling of 101131230312 in words is "one hundred one billion, one hundred thirty-one million, two hundred thirty thousand, three hundred twelve".