101656013 has 4 divisors (see below), whose sum is σ = 101695968. Its totient is φ = 101616060.

The previous prime is 101656001. The next prime is 101656019. The reversal of 101656013 is 310656101.

It is a happy number.

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 101656013 - 2¹⁰ = 101654989 is a prime.

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 101656013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101656019) 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, 15881 + ... + 21342.

It is an arithmetic number, because the mean of its divisors is an integer number (25423992).

Almost surely, 2^101656013 is an apocalyptic number.

It is an amenable number.

101656013 is a deficient number, since it is larger than the sum of its proper divisors (39955).

101656013 is an equidigital number, since it uses as much as digits as its factorization.

101656013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39954.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 101656013 is about 10082.4606619614. The cubic root of 101656013 is about 466.7070458824.

The spelling of 101656013 in words is "one hundred one million, six hundred fifty-six thousand, thirteen".