213400030 has 8 divisors (see below), whose sum is σ = 384120072. Its totient is φ = 85360008.

The previous prime is 213400027. The next prime is 213400043. The reversal of 213400030 is 30004312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10669992 + ... + 10670011.

It is an arithmetic number, because the mean of its divisors is an integer number (48015009).

Almost surely, 2^213400030 is an apocalyptic number.

213400030 is a deficient number, since it is larger than the sum of its proper divisors (170720042).

213400030 is a wasteful number, since it uses less digits than its factorization.

213400030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21340010.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 213400030 is about 14608.2178926794. The cubic root of 213400030 is about 597.5828961274.

Adding to 213400030 its reverse (30004312), we get a palindrome (243404342).

The spelling of 213400030 in words is "two hundred thirteen million, four hundred thousand, thirty".