2311331434 has 4 divisors (see below), whose sum is σ = 3466997154. Its totient is φ = 1155665716.

The previous prime is 2311331401. The next prime is 2311331443. The reversal of 2311331434 is 4341331132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1402128025 + 909203409 = 37445^2 + 30153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2311331399 and 2311331408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577832857 + ... + 577832860.

Almost surely, 2^2311331434 is an apocalyptic number.

2311331434 is a deficient number, since it is larger than the sum of its proper divisors (1155665720).

2311331434 is a wasteful number, since it uses less digits than its factorization.

2311331434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155665719.

The product of its digits is 2592, while the sum is 25.

The square root of 2311331434 is about 48076.3084481327. The cubic root of 2311331434 is about 1322.1703341730.

Adding to 2311331434 its reverse (4341331132), we get a palindrome (6652662566).

The spelling of 2311331434 in words is "two billion, three hundred eleven million, three hundred thirty-one thousand, four hundred thirty-four".