1311242322 has 32 divisors (see below), whose sum is σ = 2844555840. Its totient is φ = 400553280.

The previous prime is 1311242293. The next prime is 1311242329. The reversal of 1311242322 is 2232421131.

1311242322 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1311242329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49629 + ... + 71312.

It is an arithmetic number, because the mean of its divisors is an integer number (88892370).

Almost surely, 2^1311242322 is an apocalyptic number.

1311242322 is an abundant number, since it is smaller than the sum of its proper divisors (1533313518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311242322 is a wasteful number, since it uses less digits than its factorization.

1311242322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121098.

The product of its digits is 576, while the sum is 21.

The square root of 1311242322 is about 36211.0800998810. The cubic root of 1311242322 is about 1094.5299573447.

Adding to 1311242322 its reverse (2232421131), we get a palindrome (3543663453).

The spelling of 1311242322 in words is "one billion, three hundred eleven million, two hundred forty-two thousand, three hundred twenty-two".