215351030 has 16 divisors (see below), whose sum is σ = 387941184. Its totient is φ = 86071680.

The previous prime is 215351029. The next prime is 215351051. The reversal of 215351030 is 30153512.

It is a super-2 number, since 2×215351030² = 92752132244121800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215350993 and 215351011.

It is a congruent number.

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, 5699 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (24246324).

Almost surely, 2^215351030 is an apocalyptic number.

215351030 is a deficient number, since it is larger than the sum of its proper divisors (172590154).

215351030 is a wasteful number, since it uses less digits than its factorization.

215351030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17191.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 215351030 is about 14674.8434403915. The cubic root of 215351030 is about 599.3984990477.

The spelling of 215351030 in words is "two hundred fifteen million, three hundred fifty-one thousand, thirty".