1130431131 has 12 divisors (see below), whose sum is σ = 1672671000. Its totient is φ = 735239520.

The previous prime is 1130431129. The next prime is 1130431147. The reversal of 1130431131 is 1311340311.

It is not a de Polignac number, because 1130431131 - 2¹ = 1130431129 is a prime.

It is a super-3 number, since 3×1130431131³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1130431121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1531381 + ... + 1532118.

It is an arithmetic number, because the mean of its divisors is an integer number (139389250).

Almost surely, 2^1130431131 is an apocalyptic number.

1130431131 is a deficient number, since it is larger than the sum of its proper divisors (542239869).

1130431131 is a wasteful number, since it uses less digits than its factorization.

1130431131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063546 (or 3063543 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1130431131 is about 33621.8847032703. The cubic root of 1130431131 is about 1041.7128858369.

Adding to 1130431131 its reverse (1311340311), we get a palindrome (2441771442).

The spelling of 1130431131 in words is "one billion, one hundred thirty million, four hundred thirty-one thousand, one hundred thirty-one".