1133140431 has 8 divisors (see below), whose sum is σ = 1512852784. Its totient is φ = 754427520.

The previous prime is 1133140409. The next prime is 1133140447. The reversal of 1133140431 is 1340413311.

1133140431 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1133140431 - 2⁶ = 1133140367 is a prime.

It is a super-2 number, since 2×1133140431² = 2568014472733731522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133140398 and 1133140407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133140231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247210 + ... + 251751.

It is an arithmetic number, because the mean of its divisors is an integer number (189106598).

Almost surely, 2^1133140431 is an apocalyptic number.

1133140431 is a deficient number, since it is larger than the sum of its proper divisors (379712353).

1133140431 is an equidigital number, since it uses as much as digits as its factorization.

1133140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499721.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1133140431 is about 33662.1513127132. The cubic root of 1133140431 is about 1042.5444449649.

Adding to 1133140431 its reverse (1340413311), we get a palindrome (2473553742).

The spelling of 1133140431 in words is "one billion, one hundred thirty-three million, one hundred forty thousand, four hundred thirty-one".