231116760 has 256 divisors, whose sum is σ = 927360000. Its totient is φ = 50015232.

The previous prime is 231116723. The next prime is 231116797. The reversal of 231116760 is 67611132.

It is an interprime number because it is at equal distance from previous prime (231116723) and next prime (231116797).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142836 + ... + 144444.

It is an arithmetic number, because the mean of its divisors is an integer number (3622500).

Almost surely, 2^231116760 is an apocalyptic number.

231116760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231116760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463680000).

231116760 is an abundant number, since it is smaller than the sum of its proper divisors (696243240).

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

231116760 is a wasteful number, since it uses less digits than its factorization.

231116760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 231116760 is about 15202.5247903103. The cubic root of 231116760 is about 613.6826053593.

Adding to 231116760 its reverse (67611132), we get a palindrome (298727892).

The spelling of 231116760 in words is "two hundred thirty-one million, one hundred sixteen thousand, seven hundred sixty".