1311423332 has 6 divisors (see below), whose sum is σ = 2294990838. Its totient is φ = 655711664.

The previous prime is 1311423313. The next prime is 1311423359. The reversal of 1311423332 is 2333241131.

It can be written as a sum of positive squares in only one way, i.e., 738969856 + 572453476 = 27184^2 + 23926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1311423298 and 1311423307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163927913 + ... + 163927920.

It is an arithmetic number, because the mean of its divisors is an integer number (382498473).

Almost surely, 2^1311423332 is an apocalyptic number.

It is an amenable number.

1311423332 is a deficient number, since it is larger than the sum of its proper divisors (983567506).

1311423332 is a wasteful number, since it uses less digits than its factorization.

1311423332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327855837 (or 327855835 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 1311423332 is about 36213.5793867439. The cubic root of 1311423332 is about 1094.5803196991.

Adding to 1311423332 its reverse (2333241131), we get a palindrome (3644664463).

The spelling of 1311423332 in words is "one billion, three hundred eleven million, four hundred twenty-three thousand, three hundred thirty-two".