2311331325 has 48 divisors (see below), whose sum is σ = 4019314176. Its totient is φ = 1170374400.

The previous prime is 2311331317. The next prime is 2311331333. The reversal of 2311331325 is 5231331132.

It is an interprime number because it is at equal distance from previous prime (2311331317) and next prime (2311331333).

It is not a de Polignac number, because 2311331325 - 2³ = 2311331317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311331295 and 2311331304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113847 + ... + 132603.

It is an arithmetic number, because the mean of its divisors is an integer number (83735712).

Almost surely, 2^2311331325 is an apocalyptic number.

2311331325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2311331325 is a deficient number, since it is larger than the sum of its proper divisors (1707982851).

2311331325 is a wasteful number, since it uses less digits than its factorization.

2311331325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18854 (or 18849 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 2311331325 is about 48076.3073145182. The cubic root of 2311331325 is about 1322.1703133890.

Adding to 2311331325 its reverse (5231331132), we get a palindrome (7542662457).

The spelling of 2311331325 in words is "two billion, three hundred eleven million, three hundred thirty-one thousand, three hundred twenty-five".