1132243431 has 16 divisors (see below), whose sum is σ = 1663210368. Its totient is φ = 679412000.

The previous prime is 1132243429. The next prime is 1132243447. The reversal of 1132243431 is 1343422311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1132243431 - 2¹ = 1132243429 is a prime.

It is a super-2 number, since 2×1132243431² = 2563950374085303522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132243831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166521 + ... + 173186.

It is an arithmetic number, because the mean of its divisors is an integer number (103950648).

Almost surely, 2^1132243431 is an apocalyptic number.

1132243431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1132243431 is a deficient number, since it is larger than the sum of its proper divisors (530966937).

1132243431 is a wasteful number, since it uses less digits than its factorization.

1132243431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339822.

The product of its digits is 1728, while the sum is 24.

The square root of 1132243431 is about 33648.8251057894. The cubic root of 1132243431 is about 1042.2692777659.

Adding to 1132243431 its reverse (1343422311), we get a palindrome (2475665742).

The spelling of 1132243431 in words is "one billion, one hundred thirty-two million, two hundred forty-three thousand, four hundred thirty-one".