1130343431 has 4 divisors (see below), whose sum is σ = 1291821072. Its totient is φ = 968865792.

The previous prime is 1130343397. The next prime is 1130343433. The reversal of 1130343431 is 1343430311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1343430311 = 2297 ⋅584863.

It is a cyclic number.

It is not a de Polignac number, because 1130343431 - 2²² = 1126149127 is a prime.

It is a super-2 number, since 2×1130343431² = 2555352544009703522, 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 = 1130343397 and 1130343406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130343433) 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, 80738810 + ... + 80738823.

It is an arithmetic number, because the mean of its divisors is an integer number (322955268).

Almost surely, 2^1130343431 is an apocalyptic number.

1130343431 is a deficient number, since it is larger than the sum of its proper divisors (161477641).

1130343431 is an equidigital number, since it uses as much as digits as its factorization.

1130343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161477640.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1130343431 is about 33620.5804679217. The cubic root of 1130343431 is about 1041.6859460908.

Adding to 1130343431 its reverse (1343430311), we get a palindrome (2473773742).

The spelling of 1130343431 in words is "one billion, one hundred thirty million, three hundred forty-three thousand, four hundred thirty-one".