215103051 has 12 divisors (see below), whose sum is σ = 311001912. Its totient is φ = 143264736.

The previous prime is 215103043. The next prime is 215103059. The reversal of 215103051 is 150301512.

215103051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (215103043) and next prime (215103059).

It is not a de Polignac number, because 215103051 - 2³ = 215103043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215103059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1021 + ... + 20766.

It is an arithmetic number, because the mean of its divisors is an integer number (25916826).

Almost surely, 2^215103051 is an apocalyptic number.

215103051 is a deficient number, since it is larger than the sum of its proper divisors (95898861).

215103051 is a wasteful number, since it uses less digits than its factorization.

215103051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22890 (or 22887 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 215103051 is about 14666.3918875775. The cubic root of 215103051 is about 599.1683394338.

Adding to 215103051 its reverse (150301512), we get a palindrome (365404563).

The spelling of 215103051 in words is "two hundred fifteen million, one hundred three thousand, fifty-one".