1131346111 has 8 divisors (see below), whose sum is σ = 1300111904. Its totient is φ = 964366560.

The previous prime is 1131346081. The next prime is 1131346133. The reversal of 1131346111 is 1116431311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131346111 - 2¹⁷ = 1131215039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131346171) 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, 445200 + ... + 447733.

It is an arithmetic number, because the mean of its divisors is an integer number (162513988).

Almost surely, 2^1131346111 is an apocalyptic number.

1131346111 is a deficient number, since it is larger than the sum of its proper divisors (168765793).

1131346111 is an equidigital number, since it uses as much as digits as its factorization.

1131346111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893121.

The product of its digits is 216, while the sum is 22.

The square root of 1131346111 is about 33635.4888622122. The cubic root of 1131346111 is about 1041.9938669553.

Adding to 1131346111 its reverse (1116431311), we get a palindrome (2247777422).

The spelling of 1131346111 in words is "one billion, one hundred thirty-one million, three hundred forty-six thousand, one hundred eleven".