1123310131 has 8 divisors (see below), whose sum is σ = 1138337424. Its totient is φ = 1108318560.

The previous prime is 1123310119. The next prime is 1123310137. The reversal of 1123310131 is 1310133211.

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 1123310131 - 2¹¹ = 1123308083 is a prime.

It is a super-2 number, since 2×1123310131² = 2523651300814474322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123310137) 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, 57661 + ... + 74641.

It is an arithmetic number, because the mean of its divisors is an integer number (142292178).

Almost surely, 2^1123310131 is an apocalyptic number.

1123310131 is a deficient number, since it is larger than the sum of its proper divisors (15027293).

1123310131 is an equidigital number, since it uses as much as digits as its factorization.

1123310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17861.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1123310131 is about 33515.8191157549. The cubic root of 1123310131 is about 1039.5208995790.

Adding to 1123310131 its reverse (1310133211), we get a palindrome (2433443342).

The spelling of 1123310131 in words is "one billion, one hundred twenty-three million, three hundred ten thousand, one hundred thirty-one".