101243031043 has 24 divisors (see below), whose sum is σ = 130656749760. Its totient is φ = 77553519120.

The previous prime is 101243031017. The next prime is 101243031059. The reversal of 101243031043 is 340130342101.

It is not a de Polignac number, because 101243031043 - 2²⁹ = 100706160131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101243031013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1560021 + ... + 1623622.

It is an arithmetic number, because the mean of its divisors is an integer number (5444031240).

Almost surely, 2^101243031043 is an apocalyptic number.

101243031043 is a deficient number, since it is larger than the sum of its proper divisors (29413718717).

101243031043 is a wasteful number, since it uses less digits than its factorization.

101243031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183727 (or 3183720 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 101243031043 its reverse (340130342101), we get a palindrome (441373373144).

The spelling of 101243031043 in words is "one hundred one billion, two hundred forty-three million, thirty-one thousand, forty-three".