101620319 has 2 divisors, whose sum is σ = 101620320. Its totient is φ = 101620318.

The previous prime is 101620249. The next prime is 101620331. The reversal of 101620319 is 913026101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101620319 - 2²⁰ = 100571743 is a prime.

It is a super-2 number, since 2×101620319² = 20653378467323522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101620294 and 101620303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101620349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50810159 + 50810160.

It is an arithmetic number, because the mean of its divisors is an integer number (50810160).

Almost surely, 2^101620319 is an apocalyptic number.

101620319 is a deficient number, since it is larger than the sum of its proper divisors (1).

101620319 is an equidigital number, since it uses as much as digits as its factorization.

101620319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 101620319 is about 10080.6904029436. The cubic root of 101620319 is about 466.6524152677.

The spelling of 101620319 in words is "one hundred one million, six hundred twenty thousand, three hundred nineteen".