1311029522 has 8 divisors (see below), whose sum is σ = 2145321072. Its totient is φ = 595922500.

The previous prime is 1311029521. The next prime is 1311029527. The reversal of 1311029522 is 2259201131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1311029491 and 1311029500.

It is not an unprimeable number, because it can be changed into a prime (1311029521) 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 3 ways as a sum of consecutive naturals, for example, 29796104 + ... + 29796147.

It is an arithmetic number, because the mean of its divisors is an integer number (268165134).

Almost surely, 2^1311029522 is an apocalyptic number.

1311029522 is a deficient number, since it is larger than the sum of its proper divisors (834291550).

1311029522 is a wasteful number, since it uses less digits than its factorization.

1311029522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59592264.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1311029522 is about 36208.1416535011. The cubic root of 1311029522 is about 1094.4707441410.

The spelling of 1311029522 in words is "one billion, three hundred eleven million, twenty-nine thousand, five hundred twenty-two".