101143043431 has 16 divisors (see below), whose sum is σ = 103274265600. Its totient is φ = 99034135200.

The previous prime is 101143043429. The next prime is 101143043471. The reversal of 101143043431 is 134340341101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101143043431 - 2¹ = 101143043429 is a prime.

It is a super-2 number, since 2×101143043431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101143043396 and 101143043405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101143043471) 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, 23914425 + ... + 23918653.

It is an arithmetic number, because the mean of its divisors is an integer number (6454641600).

Almost surely, 2^101143043431 is an apocalyptic number.

101143043431 is a deficient number, since it is larger than the sum of its proper divisors (2131222169).

101143043431 is a wasteful number, since it uses less digits than its factorization.

101143043431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 101143043431 its reverse (134340341101), we get a palindrome (235483384532).

The spelling of 101143043431 in words is "one hundred one billion, one hundred forty-three million, forty-three thousand, four hundred thirty-one".