101431024644 has 12 divisors (see below), whose sum is σ = 236672390864. Its totient is φ = 33810341544.

The previous prime is 101431024609. The next prime is 101431024649. The reversal of 101431024644 is 446420134101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×101431024644³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (101431024649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226292682 + ... + 4226292705.

Almost surely, 2^101431024644 is an apocalyptic number.

It is an amenable number.

101431024644 is an abundant number, since it is smaller than the sum of its proper divisors (135241366220).

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

101431024644 is a wasteful number, since it uses less digits than its factorization.

101431024644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452585394 (or 8452585392 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 101431024644 its reverse (446420134101), we get a palindrome (547851158745).

The spelling of 101431024644 in words is "one hundred one billion, four hundred thirty-one million, twenty-four thousand, six hundred forty-four".