2311134500 has 48 divisors (see below), whose sum is σ = 5052967920. Its totient is φ = 923456000.

The previous prime is 2311134487. The next prime is 2311134509. The reversal of 2311134500 is 54311132.

It can be written as a sum of positive squares in 8 ways, for example, as 198077476 + 2113057024 = 14074^2 + 45968^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2311134509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612620 + ... + 616380.

It is an arithmetic number, because the mean of its divisors is an integer number (105270165).

Almost surely, 2^2311134500 is an apocalyptic number.

2311134500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311134500 is an abundant number, since it is smaller than the sum of its proper divisors (2741833420).

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

2311134500 is a wasteful number, since it uses less digits than its factorization.

2311134500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2311134500 is about 48074.2602647196. The cubic root of 2311134500 is about 1322.1327818364.

Adding to 2311134500 its reverse (54311132), we get a palindrome (2365445632).

The spelling of 2311134500 in words is "two billion, three hundred eleven million, one hundred thirty-four thousand, five hundred".