213051430 has 16 divisors (see below), whose sum is σ = 383700240. Its totient is φ = 85174432.

The previous prime is 213051413. The next prime is 213051431. The reversal of 213051430 is 34150312.

It is a junction number, because it is equal to n+sod(n) for n = 213051398 and 213051407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213051431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18477 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (23981265).

Almost surely, 2^213051430 is an apocalyptic number.

213051430 is a deficient number, since it is larger than the sum of its proper divisors (170648810).

213051430 is a wasteful number, since it uses less digits than its factorization.

213051430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 213051430 is about 14596.2813757477. The cubic root of 213051430 is about 597.2573245814.

The spelling of 213051430 in words is "two hundred thirteen million, fifty-one thousand, four hundred thirty".