213476307 has 24 divisors (see below), whose sum is σ = 314603520. Its totient is φ = 128660400.

The previous prime is 213476297. The next prime is 213476353. The reversal of 213476307 is 703674312.

It is not a de Polignac number, because 213476307 - 2¹¹ = 213474259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213406307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67794 + ... + 70872.

It is an arithmetic number, because the mean of its divisors is an integer number (13108480).

Almost surely, 2^213476307 is an apocalyptic number.

213476307 is a deficient number, since it is larger than the sum of its proper divisors (101127213).

213476307 is a wasteful number, since it uses less digits than its factorization.

213476307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295 (or 3284 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 213476307 is about 14610.8284159386. The cubic root of 213476307 is about 597.6540869965.

The spelling of 213476307 in words is "two hundred thirteen million, four hundred seventy-six thousand, three hundred seven".