213034370 has 16 divisors (see below), whose sum is σ = 383797440. Its totient is φ = 85139184.

The previous prime is 213034343. The next prime is 213034391. The reversal of 213034370 is 73430312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521 + ... + 20939.

It is an arithmetic number, because the mean of its divisors is an integer number (23987340).

Almost surely, 2^213034370 is an apocalyptic number.

213034370 is a deficient number, since it is larger than the sum of its proper divisors (170763070).

213034370 is a wasteful number, since it uses less digits than its factorization.

213034370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18649.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 213034370 is about 14595.6969686274. The cubic root of 213034370 is about 597.2413824496.

Adding to 213034370 its reverse (73430312), we get a palindrome (286464682).

The spelling of 213034370 in words is "two hundred thirteen million, thirty-four thousand, three hundred seventy".