101144431100 has 18 divisors (see below), whose sum is σ = 219483415704. Its totient is φ = 40457772400.

The previous prime is 101144431081. The next prime is 101144431117. The reversal of 101144431100 is 1134441101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505722056 + ... + 505722255.

Almost surely, 2^101144431100 is an apocalyptic number.

101144431100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101144431100 is an abundant number, since it is smaller than the sum of its proper divisors (118338984604).

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

101144431100 is a wasteful number, since it uses less digits than its factorization.

101144431100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011444325 (or 1011444318 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101144431100 its reverse (1134441101), we get a palindrome (102278872201).

The spelling of 101144431100 in words is "one hundred one billion, one hundred forty-four million, four hundred thirty-one thousand, one hundred".