213348377 has 4 divisors (see below), whose sum is σ = 232743696. Its totient is φ = 193953060.

The previous prime is 213348371. The next prime is 213348433. The reversal of 213348377 is 773843312.

213348377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213348377 - 2⁶ = 213348313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213348377.

It is not an unprimeable number, because it can be changed into a prime (213348371) 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, 9697643 + ... + 9697664.

It is an arithmetic number, because the mean of its divisors is an integer number (58185924).

Almost surely, 2^213348377 is an apocalyptic number.

It is an amenable number.

213348377 is a deficient number, since it is larger than the sum of its proper divisors (19395319).

213348377 is a wasteful number, since it uses less digits than its factorization.

213348377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19395318.

The product of its digits is 84672, while the sum is 38.

The square root of 213348377 is about 14606.4498424497. The cubic root of 213348377 is about 597.5346777023.

The spelling of 213348377 in words is "two hundred thirteen million, three hundred forty-eight thousand, three hundred seventy-seven".