1023312250 has 16 divisors (see below), whose sum is σ = 1915641000. Its totient is φ = 409324800.

The previous prime is 1023312221. The next prime is 1023312259. The reversal of 1023312250 is 522133201.

It can be written as a sum of positive squares in 4 ways, for example, as 129481641 + 893830609 = 11379^2 + 29897^2 .

It is a super-2 number, since 2×1023312250² = 2094335922000125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023312259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046375 + ... + 2046874.

Almost surely, 2^1023312250 is an apocalyptic number.

1023312250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023312250 is a deficient number, since it is larger than the sum of its proper divisors (892328750).

1023312250 is an equidigital number, since it uses as much as digits as its factorization.

1023312250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093266 (or 4093256 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1023312250 is about 31989.2521012918. The cubic root of 1023312250 is about 1007.7111355497.

Adding to 1023312250 its reverse (522133201), we get a palindrome (1545445451).

The spelling of 1023312250 in words is "one billion, twenty-three million, three hundred twelve thousand, two hundred fifty".