213051316 has 6 divisors (see below), whose sum is σ = 372839810. Its totient is φ = 106525656.

The previous prime is 213051287. The next prime is 213051317. The reversal of 213051316 is 613150312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 213043216 + 8100 = 14596^2 + 90^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213051317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26631411 + ... + 26631418.

Almost surely, 2^213051316 is an apocalyptic number.

It is an amenable number.

213051316 is a deficient number, since it is larger than the sum of its proper divisors (159788494).

213051316 is a wasteful number, since it uses less digits than its factorization.

213051316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53262833 (or 53262831 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 213051316 is about 14596.2774706430. The cubic root of 213051316 is about 597.2572180542.

The spelling of 213051316 in words is "two hundred thirteen million, fifty-one thousand, three hundred sixteen".