1000312232 has 24 divisors (see below), whose sum is σ = 1992408510. Its totient is φ = 470734080.

The previous prime is 1000312223. The next prime is 1000312237. The reversal of 1000312232 is 2322130001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 948270436 + 52041796 = 30794^2 + 7214^2 .

It is a super-2 number, since 2×1000312232² = 2001249122977643648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000312237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214019 + ... + 218642.

Almost surely, 2^1000312232 is an apocalyptic number.

It is an amenable number.

1000312232 is a deficient number, since it is larger than the sum of its proper divisors (992096278).

1000312232 is a wasteful number, since it uses less digits than its factorization.

1000312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432701 (or 432680 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1000312232 is about 31627.7130377775. The cubic root of 1000312232 is about 1000.1040665031.

Adding to 1000312232 its reverse (2322130001), we get a palindrome (3322442233).

The spelling of 1000312232 in words is "one billion, three hundred twelve thousand, two hundred thirty-two".