1115231310 has 48 divisors (see below), whose sum is σ = 2929517136. Its totient is φ = 294326784.

The previous prime is 1115231209. The next prime is 1115231329. The reversal of 1115231310 is 131325111.

1115231310 is a `hidden beast` number, since 1 + 11 + 523 + 131 + 0 = 666.

It is a super-2 number, since 2×1115231310² = 2487481749608632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55144 + ... + 72603.

It is an arithmetic number, because the mean of its divisors is an integer number (61031607).

Almost surely, 2^1115231310 is an apocalyptic number.

1115231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115231310 is an abundant number, since it is smaller than the sum of its proper divisors (1814285826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115231310 is a wasteful number, since it uses less digits than its factorization.

1115231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127857 (or 127854 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1115231310 is about 33395.0791285183. The cubic root of 1115231310 is about 1037.0228310401.

Adding to 1115231310 its reverse (131325111), we get a palindrome (1246556421).

The spelling of 1115231310 in words is "one billion, one hundred fifteen million, two hundred thirty-one thousand, three hundred ten".