213251030 has 16 divisors (see below), whose sum is σ = 384018624. Its totient is φ = 85263360.

The previous prime is 213251023. The next prime is 213251033. The reversal of 213251030 is 30152312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213251033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40214 + ... + 45206.

It is an arithmetic number, because the mean of its divisors is an integer number (24001164).

Almost surely, 2^213251030 is an apocalyptic number.

213251030 is a deficient number, since it is larger than the sum of its proper divisors (170767594).

213251030 is a wasteful number, since it uses less digits than its factorization.

213251030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 213251030 is about 14603.1171329960. The cubic root of 213251030 is about 597.4437824596.

The spelling of 213251030 in words is "two hundred thirteen million, two hundred fifty-one thousand, thirty".