10231215 has 16 divisors (see below), whose sum is σ = 17232000. Its totient is φ = 5169312.

The previous prime is 10231201. The next prime is 10231237. The reversal of 10231215 is 51213201.

It is not a de Polignac number, because 10231215 - 2⁵ = 10231183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 10231194 and 10231203.

It is a congruent number.

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, 17665 + ... + 18234.

It is an arithmetic number, because the mean of its divisors is an integer number (1077000).

Almost surely, 2^10231215 is an apocalyptic number.

10231215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10231215 is a deficient number, since it is larger than the sum of its proper divisors (7000785).

10231215 is a wasteful number, since it uses less digits than its factorization.

10231215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35926.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 10231215 is about 3198.6270492197. The cubic root of 10231215 is about 217.0912921888.

Adding to 10231215 its reverse (51213201), we get a palindrome (61444416).

The spelling of 10231215 in words is "ten million, two hundred thirty-one thousand, two hundred fifteen".