213006157270 has 16 divisors (see below), whose sum is σ = 383416338528. Its totient is φ = 85201295040.

The previous prime is 213006157249. The next prime is 213006157271. The reversal of 213006157270 is 72751600312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213006157271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352482 + ... + 1501738.

It is an arithmetic number, because the mean of its divisors is an integer number (23963521158).

Almost surely, 2^213006157270 is an apocalyptic number.

213006157270 is a deficient number, since it is larger than the sum of its proper divisors (170410181258).

213006157270 is a wasteful number, since it uses less digits than its factorization.

213006157270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291975.

The product of its (nonzero) digits is 17640, while the sum is 34.

Adding to 213006157270 its reverse (72751600312), we get a palindrome (285757757582).

The spelling of 213006157270 in words is "two hundred thirteen billion, six million, one hundred fifty-seven thousand, two hundred seventy".