2311323225 has 24 divisors (see below), whose sum is σ = 3827067552. Its totient is φ = 1230873600.

The previous prime is 2311323197. The next prime is 2311323233. The reversal of 2311323225 is 5223231132.

It is a happy number.

It is not a de Polignac number, because 2311323225 - 2¹⁴ = 2311306841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311323195 and 2311323204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28665 + ... + 73785.

It is an arithmetic number, because the mean of its divisors is an integer number (159461148).

Almost surely, 2^2311323225 is an apocalyptic number.

2311323225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2311323225 is a deficient number, since it is larger than the sum of its proper divisors (1515744327).

2311323225 is a wasteful number, since it uses less digits than its factorization.

2311323225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45817 (or 45812 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 2311323225 is about 48076.2230733655. The cubic root of 2311323225 is about 1322.1687688834.

Adding to 2311323225 its reverse (5223231132), we get a palindrome (7534554357).

The spelling of 2311323225 in words is "two billion, three hundred eleven million, three hundred twenty-three thousand, two hundred twenty-five".