385213101 has 16 divisors (see below), whose sum is σ = 632145024. Its totient is φ = 203189184.

The previous prime is 385213067. The next prime is 385213121. The reversal of 385213101 is 101312583.

It is not a de Polignac number, because 385213101 - 2²⁷ = 250995373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385213121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705246 + ... + 705791.

It is an arithmetic number, because the mean of its divisors is an integer number (39509064).

Almost surely, 2^385213101 is an apocalyptic number.

It is an amenable number.

385213101 is a deficient number, since it is larger than the sum of its proper divisors (246931923).

385213101 is a wasteful number, since it uses less digits than its factorization.

385213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411060.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 385213101 is about 19626.8464354312. The cubic root of 385213101 is about 727.6128321350.

Adding to 385213101 its reverse (101312583), we get a palindrome (486525684).

The spelling of 385213101 in words is "three hundred eighty-five million, two hundred thirteen thousand, one hundred one".