10215315730 has 16 divisors (see below), whose sum is σ = 18416265624. Its totient is φ = 4079749120.

The previous prime is 10215315713. The next prime is 10215315731. The reversal of 10215315730 is 3751351201.

It can be written as a sum of positive squares in 4 ways, for example, as 10203626169 + 11689561 = 101013^2 + 3419^2 .

It is not an unprimeable number, because it can be changed into a prime (10215315731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790417 + ... + 803236.

Almost surely, 2^10215315730 is an apocalyptic number.

10215315730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10215315730 is a deficient number, since it is larger than the sum of its proper divisors (8200949894).

10215315730 is a wasteful number, since it uses less digits than its factorization.

10215315730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594301.

The product of its (nonzero) digits is 3150, while the sum is 28.

Adding to 10215315730 its reverse (3751351201), we get a palindrome (13966666931).

The spelling of 10215315730 in words is "ten billion, two hundred fifteen million, three hundred fifteen thousand, seven hundred thirty".