2311331425 has 12 divisors (see below), whose sum is σ = 3086516860. Its totient is φ = 1706829120.

The previous prime is 2311331401. The next prime is 2311331443. The reversal of 2311331425 is 5241331132.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 166900561 + 2144430864 = 12919^2 + 46308^2 .

It is not a de Polignac number, because 2311331425 - 2¹³ = 2311323233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2311331425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3555570 + ... + 3556219.

Almost surely, 2^2311331425 is an apocalyptic number.

2311331425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2311331425 is a deficient number, since it is larger than the sum of its proper divisors (775185435).

2311331425 is a wasteful number, since it uses less digits than its factorization.

2311331425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111812 (or 7111807 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 2311331425 is about 48076.3083545315. The cubic root of 2311331425 is about 1322.1703324569.

Adding to 2311331425 its reverse (5241331132), we get a palindrome (7552662557).

The spelling of 2311331425 in words is "two billion, three hundred eleven million, three hundred thirty-one thousand, four hundred twenty-five".