1000311132 has 24 divisors (see below), whose sum is σ = 2397143056. Its totient is φ = 324425088.

The previous prime is 1000311097. The next prime is 1000311157. The reversal of 1000311132 is 2311130001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent 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, 1126033 + ... + 1126920.

Almost surely, 2^1000311132 is an apocalyptic number.

1000311132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000311132 is an abundant number, since it is smaller than the sum of its proper divisors (1396831924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000311132 is a wasteful number, since it uses less digits than its factorization.

1000311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252997 (or 2252995 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1000311132 is about 31627.6956479602. The cubic root of 1000311132 is about 1000.1036999126.

Adding to 1000311132 its reverse (2311130001), we get a palindrome (3311441133).

The spelling of 1000311132 in words is "one billion, three hundred eleven thousand, one hundred thirty-two".