1140131031 has 8 divisors (see below), whose sum is σ = 1637111280. Its totient is φ = 701619072.

The previous prime is 1140131023. The next prime is 1140131059. The reversal of 1140131031 is 1301310411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140131031 - 2³ = 1140131023 is a prime.

It is a super-2 number, since 2×1140131031² = 2599797535698245922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1140131031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140131011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14617026 + ... + 14617103.

It is an arithmetic number, because the mean of its divisors is an integer number (204638910).

Almost surely, 2^1140131031 is an apocalyptic number.

1140131031 is a deficient number, since it is larger than the sum of its proper divisors (496980249).

1140131031 is a wasteful number, since it uses less digits than its factorization.

1140131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29234145.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1140131031 is about 33765.8263781593. The cubic root of 1140131031 is about 1044.6839488967.

Adding to 1140131031 its reverse (1301310411), we get a palindrome (2441441442).

The spelling of 1140131031 in words is "one billion, one hundred forty million, one hundred thirty-one thousand, thirty-one".