2311331125 has 8 divisors (see below), whose sum is σ = 2884541400. Its totient is φ = 1849064800.

The previous prime is 2311331107. The next prime is 2311331147. The reversal of 2311331125 is 5211331132.

It can be written as a sum of positive squares in 4 ways, for example, as 14333796 + 2296997329 = 3786^2 + 47927^2 .

It is not a de Polignac number, because 2311331125 - 2⁷ = 2311330997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311331096 and 2311331105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9245200 + ... + 9245449.

It is an arithmetic number, because the mean of its divisors is an integer number (360567675).

Almost surely, 2^2311331125 is an apocalyptic number.

2311331125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2311331125 is a deficient number, since it is larger than the sum of its proper divisors (573210275).

2311331125 is an equidigital number, since it uses as much as digits as its factorization.

2311331125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18490664 (or 18490654 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 2311331125 is about 48076.3052344916. The cubic root of 2311331125 is about 1322.1702752531.

Adding to 2311331125 its reverse (5211331132), we get a palindrome (7522662257).

The spelling of 2311331125 in words is "two billion, three hundred eleven million, three hundred thirty-one thousand, one hundred twenty-five".