101312321432 has 16 divisors (see below), whose sum is σ = 217097831760. Its totient is φ = 43419566304.

The previous prime is 101312321399. The next prime is 101312321437. The reversal of 101312321432 is 234123213101.

It is a junction number, because it is equal to n+sod(n) for n = 101312321398 and 101312321407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101312321437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904574243 + ... + 904574354.

It is an arithmetic number, because the mean of its divisors is an integer number (13568614485).

Almost surely, 2^101312321432 is an apocalyptic number.

It is an amenable number.

101312321432 is an abundant number, since it is smaller than the sum of its proper divisors (115785510328).

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

101312321432 is a wasteful number, since it uses less digits than its factorization.

101312321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809148610 (or 1809148606 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 101312321432 its reverse (234123213101), we get a palindrome (335435534533).

The spelling of 101312321432 in words is "one hundred one billion, three hundred twelve million, three hundred twenty-one thousand, four hundred thirty-two".