1101232131 has 8 divisors (see below), whose sum is σ = 1486000320. Its totient is φ = 725309352.

The previous prime is 1101232057. The next prime is 1101232163. The reversal of 1101232131 is 1312321011.

It is a happy number.

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

It is not a de Polignac number, because 1101232131 - 2¹¹ = 1101230083 is a prime.

It is a super-2 number, since 2×1101232131² = 2425424412693602322, 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 1101232131.

It is not an unprimeable number, because it can be changed into a prime (1101232831) 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, 2211061 + ... + 2211558.

It is an arithmetic number, because the mean of its divisors is an integer number (185750040).

Almost surely, 2^1101232131 is an apocalyptic number.

1101232131 is a deficient number, since it is larger than the sum of its proper divisors (384768189).

1101232131 is an equidigital number, since it uses as much as digits as its factorization.

1101232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422705.

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

The square root of 1101232131 is about 33184.8177786168. The cubic root of 1101232131 is about 1032.6653971932.

Adding to 1101232131 its reverse (1312321011), we get a palindrome (2413553142).

The spelling of 1101232131 in words is "one billion, one hundred one million, two hundred thirty-two thousand, one hundred thirty-one".