101130431444 has 48 divisors (see below), whose sum is σ = 210282912000. Its totient is φ = 42523816608.

The previous prime is 101130431443. The next prime is 101130431471. The reversal of 101130431444 is 444134031101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101130431443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622664 + ... + 768095.

It is an arithmetic number, because the mean of its divisors is an integer number (4380894000).

Almost surely, 2^101130431444 is an apocalyptic number.

101130431444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101130431444 is an abundant number, since it is smaller than the sum of its proper divisors (109152480556).

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

101130431444 is a wasteful number, since it uses less digits than its factorization.

101130431444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390837 (or 1390821 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 101130431444 its reverse (444134031101), we get a palindrome (545264462545).

The spelling of 101130431444 in words is "one hundred one billion, one hundred thirty million, four hundred thirty-one thousand, four hundred forty-four".