213705316 has 48 divisors (see below), whose sum is σ = 418037760. Its totient is φ = 94772000.

The previous prime is 213705301. The next prime is 213705353. The reversal of 213705316 is 613507312.

213705316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 495621 + ... + 496051.

It is an arithmetic number, because the mean of its divisors is an integer number (8709120).

Almost surely, 2^213705316 is an apocalyptic number.

It is an amenable number.

213705316 is a deficient number, since it is larger than the sum of its proper divisors (204332444).

213705316 is a wasteful number, since it uses less digits than its factorization.

213705316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 213705316 is about 14618.6632767842. The cubic root of 213705316 is about 597.8677239001.

The spelling of 213705316 in words is "two hundred thirteen million, seven hundred five thousand, three hundred sixteen".