2311131242 has 16 divisors (see below), whose sum is σ = 3973171392. Its totient is φ = 987676800.

The previous prime is 2311131211. The next prime is 2311131271. The reversal of 2311131242 is 2421311132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228884 + ... + 238767.

It is an arithmetic number, because the mean of its divisors is an integer number (248323212).

Almost surely, 2^2311131242 is an apocalyptic number.

2311131242 is a deficient number, since it is larger than the sum of its proper divisors (1662040150).

2311131242 is a wasteful number, since it uses less digits than its factorization.

2311131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468013.

The product of its digits is 288, while the sum is 20.

The square root of 2311131242 is about 48074.2263796309. The cubic root of 2311131242 is about 1322.1321605671.

Adding to 2311131242 its reverse (2421311132), we get a palindrome (4732442374).

The spelling of 2311131242 in words is "two billion, three hundred eleven million, one hundred thirty-one thousand, two hundred forty-two".