101311000320 has 72 divisors (see below), whose sum is σ = 323562019536. Its totient is φ = 27016265728.

The previous prime is 101311000303. The next prime is 101311000321. The reversal of 101311000320 is 23000113101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101311000296 and 101311000305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101311000321) 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, 13187697 + ... + 13195376.

It is an arithmetic number, because the mean of its divisors is an integer number (4493916938).

Almost surely, 2^101311000320 is an apocalyptic number.

101311000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101311000320 is an abundant number, since it is smaller than the sum of its proper divisors (222251019216).

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

101311000320 is an equidigital number, since it uses as much as digits as its factorization.

101311000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26383097 (or 26383083 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 101311000320 its reverse (23000113101), we get a palindrome (124311113421).

The spelling of 101311000320 in words is "one hundred one billion, three hundred eleven million, three hundred twenty", and thus it is an aban number.