101001311320 has 64 divisors (see below), whose sum is σ = 279695949120. Its totient is φ = 31965249024.

The previous prime is 101001311237. The next prime is 101001311339. The reversal of 101001311320 is 23113100101.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 101001311320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13870167 + ... + 13877446.

It is an arithmetic number, because the mean of its divisors is an integer number (4370249205).

Almost surely, 2^101001311320 is an apocalyptic number.

101001311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001311320 is an abundant number, since it is smaller than the sum of its proper divisors (178694637800).

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

101001311320 is a wasteful number, since it uses less digits than its factorization.

101001311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27747644 (or 27747640 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101001311320 its reverse (23113100101), we get a palindrome (124114411421).

The spelling of 101001311320 in words is "one hundred one billion, one million, three hundred eleven thousand, three hundred twenty".