1131834831 has 8 divisors (see below), whose sum is σ = 1557794304. Its totient is φ = 730215960.

The previous prime is 1131834827. The next prime is 1131834839. The reversal of 1131834831 is 1384381311.

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

It is not a de Polignac number, because 1131834831 - 2² = 1131834827 is a prime.

It is a super-2 number, since 2×1131834831² = 2562100169329597122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1131834792 and 1131834801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131834839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6085041 + ... + 6085226.

It is an arithmetic number, because the mean of its divisors is an integer number (194724288).

Almost surely, 2^1131834831 is an apocalyptic number.

1131834831 is a deficient number, since it is larger than the sum of its proper divisors (425959473).

1131834831 is a wasteful number, since it uses less digits than its factorization.

1131834831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12170301.

The product of its digits is 6912, while the sum is 33.

The square root of 1131834831 is about 33642.7530234968. The cubic root of 1131834831 is about 1042.1438858656.

The spelling of 1131834831 in words is "one billion, one hundred thirty-one million, eight hundred thirty-four thousand, eight hundred thirty-one".