1113341431 has 4 divisors (see below), whose sum is σ = 1113441264. Its totient is φ = 1113241600.

The previous prime is 1113341377. The next prime is 1113341491. The reversal of 1113341431 is 1341433111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1341433111 = 1531 ⋅876181.

It is a cyclic number.

It is not a de Polignac number, because 1113341431 - 2⁷ = 1113341303 is a prime.

It is a super-2 number, since 2×1113341431² = 2479058283962255522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113341491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30730 + ... + 56311.

It is an arithmetic number, because the mean of its divisors is an integer number (278360316).

Almost surely, 2^1113341431 is an apocalyptic number.

1113341431 is a deficient number, since it is larger than the sum of its proper divisors (99833).

1113341431 is an equidigital number, since it uses as much as digits as its factorization.

1113341431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99832.

The product of its digits is 432, while the sum is 22.

The square root of 1113341431 is about 33366.7713601421. The cubic root of 1113341431 is about 1036.4367177217.

Adding to 1113341431 its reverse (1341433111), we get a palindrome (2454774542).

The spelling of 1113341431 in words is "one billion, one hundred thirteen million, three hundred forty-one thousand, four hundred thirty-one".