1131107430 has 32 divisors (see below), whose sum is σ = 2857536000. Its totient is φ = 285753312.

The previous prime is 1131107429. The next prime is 1131107431. The reversal of 1131107430 is 347011311.

It is an interprime number because it is at equal distance from previous prime (1131107429) and next prime (1131107431).

It is a junction number, because it is equal to n+sod(n) for n = 1131107397 and 1131107406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131107431) 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, 991630 + ... + 992769.

It is an arithmetic number, because the mean of its divisors is an integer number (89298000).

Almost surely, 2^1131107430 is an apocalyptic number.

1131107430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131107430 is an abundant number, since it is smaller than the sum of its proper divisors (1726428570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131107430 is a wasteful number, since it uses less digits than its factorization.

1131107430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984428.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1131107430 is about 33631.9406219742. The cubic root of 1131107430 is about 1041.9205850399.

Adding to 1131107430 its reverse (347011311), we get a palindrome (1478118741).

The spelling of 1131107430 in words is "one billion, one hundred thirty-one million, one hundred seven thousand, four hundred thirty".