213113102 has 4 divisors (see below), whose sum is σ = 319669656. Its totient is φ = 106556550.

The previous prime is 213113099. The next prime is 213113107. The reversal of 213113102 is 201311312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53278274 + ... + 53278277.

It is an arithmetic number, because the mean of its divisors is an integer number (79917414).

Almost surely, 2^213113102 is an apocalyptic number.

213113102 is a deficient number, since it is larger than the sum of its proper divisors (106556554).

213113102 is a wasteful number, since it uses less digits than its factorization.

213113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106556553.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 213113102 is about 14598.3938157593. The cubic root of 213113102 is about 597.3149483833.

Adding to 213113102 its reverse (201311312), we get a palindrome (414424414).

It can be divided in two parts, 21311310 and 2, that added together give a palindrome (21311312).

The spelling of 213113102 in words is "two hundred thirteen million, one hundred thirteen thousand, one hundred two".