2311431434 has 16 divisors (see below), whose sum is σ = 3930370080. Its totient is φ = 1010666160.

The previous prime is 2311431431. The next prime is 2311431481. The reversal of 2311431434 is 4341341132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (2311431431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2339012 + ... + 2339999.

It is an arithmetic number, because the mean of its divisors is an integer number (245648130).

Almost surely, 2^2311431434 is an apocalyptic number.

2311431434 is a deficient number, since it is larger than the sum of its proper divisors (1618938646).

2311431434 is a wasteful number, since it uses less digits than its factorization.

2311431434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679045.

The product of its digits is 3456, while the sum is 26.

The square root of 2311431434 is about 48077.3484501797. The cubic root of 2311431434 is about 1322.1894018447.

Adding to 2311431434 its reverse (4341341132), we get a palindrome (6652772566).

The spelling of 2311431434 in words is "two billion, three hundred eleven million, four hundred thirty-one thousand, four hundred thirty-four".