101312231020 has 96 divisors (see below), whose sum is σ = 285658039296. Its totient is φ = 29148768000.

The previous prime is 101312230997. The next prime is 101312231057. The reversal of 101312231020 is 20132213101.

It is a junction number, because it is equal to n+sod(n) for n = 101312230985 and 101312231003.

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 31 ways as a sum of consecutive naturals, for example, 2510256 + ... + 2550295.

It is an arithmetic number, because the mean of its divisors is an integer number (2975604576).

Almost surely, 2^101312231020 is an apocalyptic number.

101312231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101312231020 is an abundant number, since it is smaller than the sum of its proper divisors (184345808276).

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

101312231020 is a wasteful number, since it uses less digits than its factorization.

101312231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060591 (or 5060589 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101312231020 its reverse (20132213101), we get a palindrome (121444444121).

The spelling of 101312231020 in words is "one hundred one billion, three hundred twelve million, two hundred thirty-one thousand, twenty".