1030215385 has 8 divisors (see below), whose sum is σ = 1308979656. Its totient is φ = 775691520.

The previous prime is 1030215349. The next prime is 1030215391. The reversal of 1030215385 is 5835120301.

It can be written as a sum of positive squares in 4 ways, for example, as 206295769 + 823919616 = 14363^2 + 28704^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1030215385 - 2¹³ = 1030207193 is a prime.

It is a super-2 number, since 2×1030215385² = 2122687478981396450, which contains 22 as substring.

It is a Duffinian 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, 6060006 + ... + 6060175.

It is an arithmetic number, because the mean of its divisors is an integer number (163622457).

Almost surely, 2^1030215385 is an apocalyptic number.

It is an amenable number.

1030215385 is a deficient number, since it is larger than the sum of its proper divisors (278764271).

1030215385 is a wasteful number, since it uses less digits than its factorization.

1030215385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120203.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1030215385 is about 32096.9684705581. The cubic root of 1030215385 is about 1009.9720232096.

Adding to 1030215385 its reverse (5835120301), we get a palindrome (6865335686).

The spelling of 1030215385 in words is "one billion, thirty million, two hundred fifteen thousand, three hundred eighty-five".