1231041432 has 16 divisors (see below), whose sum is σ = 3077603640. Its totient is φ = 410347136.

The previous prime is 1231041419. The next prime is 1231041457. The reversal of 1231041432 is 2341401321.

It is a super-2 number, since 2×1231041432² = 3030926014601221248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231041399 and 1231041408.

It is a congruent number.

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, 25646673 + ... + 25646720.

Almost surely, 2^1231041432 is an apocalyptic number.

1231041432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231041432 is an abundant number, since it is smaller than the sum of its proper divisors (1846562208).

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

1231041432 is a wasteful number, since it uses less digits than its factorization.

1231041432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51293402 (or 51293398 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1231041432 is about 35086.2000222310. The cubic root of 1231041432 is about 1071.7435782138.

Adding to 1231041432 its reverse (2341401321), we get a palindrome (3572442753).

The spelling of 1231041432 in words is "one billion, two hundred thirty-one million, forty-one thousand, four hundred thirty-two".