1231000132 has 12 divisors (see below), whose sum is σ = 2159679340. Its totient is φ = 613948896.

The previous prime is 1231000109. The next prime is 1231000151. The reversal of 1231000132 is 2310001321.

It can be written as a sum of positive squares in 2 ways, for example, as 323424256 + 907575876 = 17984^2 + 30126^2 .

It is a super-2 number, since 2×1231000132² = 3030722649968034848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386007 + ... + 389182.

Almost surely, 2^1231000132 is an apocalyptic number.

It is an amenable number.

1231000132 is a deficient number, since it is larger than the sum of its proper divisors (928679208).

1231000132 is a wasteful number, since it uses less digits than its factorization.

1231000132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775590 (or 775588 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1231000132 is about 35085.6114668107. The cubic root of 1231000132 is about 1071.7315928319.

Adding to 1231000132 its reverse (2310001321), we get a palindrome (3541001453).

The spelling of 1231000132 in words is "one billion, two hundred thirty-one million, one hundred thirty-two", and thus it is an aban number.