213099430 has 16 divisors (see below), whose sum is σ = 385174944. Its totient is φ = 84885120.

The previous prime is 213099407. The next prime is 213099461. The reversal of 213099430 is 34990312.

It is a super-2 number, since 2×213099430² = 90822734132649800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213099392 and 213099401.

It is a congruent 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, 41802 + ... + 46621.

It is an arithmetic number, because the mean of its divisors is an integer number (24073434).

Almost surely, 2^213099430 is an apocalyptic number.

213099430 is a deficient number, since it is larger than the sum of its proper divisors (172075514).

213099430 is a wasteful number, since it uses less digits than its factorization.

213099430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88671.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 213099430 is about 14597.9255375550. The cubic root of 213099430 is about 597.3021747832.

The spelling of 213099430 in words is "two hundred thirteen million, ninety-nine thousand, four hundred thirty".