101781713 has 4 divisors (see below), whose sum is σ = 111034608. Its totient is φ = 92528820.

The previous prime is 101781707. The next prime is 101781749. The reversal of 101781713 is 317187101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101781713 - 2⁴ = 101781697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101781763) 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, 4626431 + ... + 4626452.

It is an arithmetic number, because the mean of its divisors is an integer number (27758652).

Almost surely, 2^101781713 is an apocalyptic number.

It is an amenable number.

101781713 is a deficient number, since it is larger than the sum of its proper divisors (9252895).

101781713 is an equidigital number, since it uses as much as digits as its factorization.

101781713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252894.

The product of its (nonzero) digits is 1176, while the sum is 29.

The square root of 101781713 is about 10088.6923334989. The cubic root of 101781713 is about 466.8993313174.

The spelling of 101781713 in words is "one hundred one million, seven hundred eighty-one thousand, seven hundred thirteen".