101312032143 has 16 divisors (see below), whose sum is σ = 154433511936. Its totient is φ = 57872612640.

The previous prime is 101312032109. The next prime is 101312032169. The reversal of 101312032143 is 341230213101.

It is not a de Polignac number, because 101312032143 - 2⁹ = 101312031631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101312032043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769968 + ... + 891893.

It is an arithmetic number, because the mean of its divisors is an integer number (9652094496).

Almost surely, 2^101312032143 is an apocalyptic number.

101312032143 is a deficient number, since it is larger than the sum of its proper divisors (53121479793).

101312032143 is a wasteful number, since it uses less digits than its factorization.

101312032143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664774.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 101312032143 its reverse (341230213101), we get a palindrome (442542245244).

The spelling of 101312032143 in words is "one hundred one billion, three hundred twelve million, thirty-two thousand, one hundred forty-three".