101106042731 has 8 divisors (see below), whose sum is σ = 101271066624. Its totient is φ = 100941074280.

The previous prime is 101106042721. The next prime is 101106042761. The reversal of 101106042731 is 137240601101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101106042731 is a prime.

It is a super-2 number, since 2×101106042731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101106042731.

It is not an unprimeable number, because it can be changed into a prime (101106042721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5163746 + ... + 5183288.

It is an arithmetic number, because the mean of its divisors is an integer number (12658883328).

Almost surely, 2^101106042731 is an apocalyptic number.

101106042731 is a deficient number, since it is larger than the sum of its proper divisors (165023893).

101106042731 is an equidigital number, since it uses as much as digits as its factorization.

101106042731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27721.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 101106042731 its reverse (137240601101), we get a palindrome (238346643832).

The spelling of 101106042731 in words is "one hundred one billion, one hundred six million, forty-two thousand, seven hundred thirty-one".