213402340330 has 32 divisors (see below), whose sum is σ = 393527792448. Its totient is φ = 83271619200.

The previous prime is 213402340309. The next prime is 213402340373. The reversal of 213402340330 is 33043204312.

It is a super-2 number, since 2×213402340330² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213402340295 and 213402340304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8385325 + ... + 8410735.

It is an arithmetic number, because the mean of its divisors is an integer number (12297743514).

Almost surely, 2^213402340330 is an apocalyptic number.

213402340330 is a deficient number, since it is larger than the sum of its proper divisors (180125452118).

213402340330 is a wasteful number, since it uses less digits than its factorization.

213402340330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45942.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 213402340330 its reverse (33043204312), we get a palindrome (246445544642).

The spelling of 213402340330 in words is "two hundred thirteen billion, four hundred two million, three hundred forty thousand, three hundred thirty".