101311232320 has 28 divisors (see below), whose sum is σ = 241247372724. Its totient is φ = 40524492800.

The previous prime is 101311232257. The next prime is 101311232333. The reversal of 101311232320 is 23232113101.

It can be written as a sum of positive squares in 2 ways, for example, as 31978022976 + 69333209344 = 178824^2 + 263312^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158298481 + ... + 158299120.

Almost surely, 2^101311232320 is an apocalyptic number.

101311232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101311232320 is an abundant number, since it is smaller than the sum of its proper divisors (139936140404).

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

101311232320 is an equidigital number, since it uses as much as digits as its factorization.

101311232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316597618 (or 316597608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101311232320 its reverse (23232113101), we get a palindrome (124543345421).

The spelling of 101311232320 in words is "one hundred one billion, three hundred eleven million, two hundred thirty-two thousand, three hundred twenty".