213002306 has 16 divisors (see below), whose sum is σ = 356656608. Its totient is φ = 94567200.

The previous prime is 213002291. The next prime is 213002311. The reversal of 213002306 is 603200312.

It is a super-2 number, since 2×213002306² = 90739964722635272, which contains 22 as substring.

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, 111635 + ... + 113526.

It is an arithmetic number, because the mean of its divisors is an integer number (22291038).

Almost surely, 2^213002306 is an apocalyptic number.

213002306 is a deficient number, since it is larger than the sum of its proper divisors (143654302).

213002306 is a wasteful number, since it uses less digits than its factorization.

213002306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225217.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213002306 is about 14594.5985213708. The cubic root of 213002306 is about 597.2114171620.

Adding to 213002306 its reverse (603200312), we get a palindrome (816202618).

The spelling of 213002306 in words is "two hundred thirteen million, two thousand, three hundred six".