101323431020 has 48 divisors (see below), whose sum is σ = 243471986688. Its totient is φ = 34697211840.

The previous prime is 101323430953. The next prime is 101323431043. The reversal of 101323431020 is 20134323101.

101323431020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101323430983 and 101323431001.

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, 324476 + ... + 554915.

It is an arithmetic number, because the mean of its divisors is an integer number (5072333056).

Almost surely, 2^101323431020 is an apocalyptic number.

101323431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101323431020 is an abundant number, since it is smaller than the sum of its proper divisors (142148555668).

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

101323431020 is a wasteful number, since it uses less digits than its factorization.

101323431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880230 (or 880228 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 101323431020 its reverse (20134323101), we get a palindrome (121457754121).

The spelling of 101323431020 in words is "one hundred one billion, three hundred twenty-three million, four hundred thirty-one thousand, twenty".