213655632103 has 4 divisors (see below), whose sum is σ = 226223610480. Its totient is φ = 201087653728.

The previous prime is 213655632097. The next prime is 213655632109. The reversal of 213655632103 is 301236556312.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (213655632097) and next prime (213655632109).

It is a cyclic number.

It is not a de Polignac number, because 213655632103 - 2⁹ = 213655631591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213655632109) 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, 6283989163 + ... + 6283989196.

It is an arithmetic number, because the mean of its divisors is an integer number (56555902620).

Almost surely, 2^213655632103 is an apocalyptic number.

213655632103 is a deficient number, since it is larger than the sum of its proper divisors (12567978377).

213655632103 is a wasteful number, since it uses less digits than its factorization.

213655632103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567978376.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 213655632103 in words is "two hundred thirteen billion, six hundred fifty-five million, six hundred thirty-two thousand, one hundred three".