213496101 has 64 divisors (see below), whose sum is σ = 401981440. Its totient is φ = 108941760.

The previous prime is 213496099. The next prime is 213496121. The reversal of 213496101 is 101694312.

213496101 is a `hidden beast` number, since 2 + 1 + 3 + 49 + 610 + 1 = 666.

213496101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213496101 - 2¹ = 213496099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213496121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74766 + ... + 77568.

It is an arithmetic number, because the mean of its divisors is an integer number (6280960).

Almost surely, 2^213496101 is an apocalyptic number.

213496101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213496101 is a deficient number, since it is larger than the sum of its proper divisors (188485339).

213496101 is a wasteful number, since it uses less digits than its factorization.

213496101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 213496101 is about 14611.5057745600. The cubic root of 213496101 is about 597.6725583662.

The spelling of 213496101 in words is "two hundred thirteen million, four hundred ninety-six thousand, one hundred one".