1131031134 has 64 divisors (see below), whose sum is σ = 2565103680. Its totient is φ = 369308160.

The previous prime is 1131031103. The next prime is 1131031189. The reversal of 1131031134 is 4311301311.

1131031134 is a `hidden beast` number, since 11 + 310 + 311 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1030474 + ... + 1031570.

It is an arithmetic number, because the mean of its divisors is an integer number (40079745).

Almost surely, 2^1131031134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131031134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282551840).

1131031134 is an abundant number, since it is smaller than the sum of its proper divisors (1434072546).

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

1131031134 is a wasteful number, since it uses less digits than its factorization.

1131031134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1476 counting only the distinct ones).

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

The square root of 1131031134 is about 33630.8063239643. The cubic root of 1131031134 is about 1041.8971578044.

Adding to 1131031134 its reverse (4311301311), we get a palindrome (5442332445).

The spelling of 1131031134 in words is "one billion, one hundred thirty-one million, thirty-one thousand, one hundred thirty-four".