1105131432 has 16 divisors (see below), whose sum is σ = 2762828640. Its totient is φ = 368377136.

The previous prime is 1105131413. The next prime is 1105131463. The reversal of 1105131432 is 2341315011.

It is a junction number, because it is equal to n+sod(n) for n = 1105131399 and 1105131408.

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, 23023548 + ... + 23023595.

It is an arithmetic number, because the mean of its divisors is an integer number (172676790).

Almost surely, 2^1105131432 is an apocalyptic number.

1105131432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1105131432 is an abundant number, since it is smaller than the sum of its proper divisors (1657697208).

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

1105131432 is a wasteful number, since it uses less digits than its factorization.

1105131432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46047152 (or 46047148 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1105131432 is about 33243.5171424445. The cubic root of 1105131432 is about 1033.8828002004.

Adding to 1105131432 its reverse (2341315011), we get a palindrome (3446446443).

The spelling of 1105131432 in words is "one billion, one hundred five million, one hundred thirty-one thousand, four hundred thirty-two".