1131013432 has 8 divisors (see below), whose sum is σ = 2120650200. Its totient is φ = 565506712.

The previous prime is 1131013409. The next prime is 1131013441. The reversal of 1131013432 is 2343101311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70688332 + ... + 70688347.

It is an arithmetic number, because the mean of its divisors is an integer number (265081275).

Almost surely, 2^1131013432 is an apocalyptic number.

It is an amenable number.

1131013432 is a deficient number, since it is larger than the sum of its proper divisors (989636768).

1131013432 is a wasteful number, since it uses less digits than its factorization.

1131013432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141376685 (or 141376681 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1131013432 is about 33630.5431416146. The cubic root of 1131013432 is about 1041.8917221274.

Adding to 1131013432 its reverse (2343101311), we get a palindrome (3474114743).

It can be divided in two parts, 11310 and 13432, that added together give a palindrome (24742).

The spelling of 1131013432 in words is "one billion, one hundred thirty-one million, thirteen thousand, four hundred thirty-two".