1310223442 has 16 divisors (see below), whose sum is σ = 2144729664. Its totient is φ = 595354000.

The previous prime is 1310223403. The next prime is 1310223457. The reversal of 1310223442 is 2443220131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 70467 + ... + 87097.

It is an arithmetic number, because the mean of its divisors is an integer number (134045604).

Almost surely, 2^1310223442 is an apocalyptic number.

1310223442 is a deficient number, since it is larger than the sum of its proper divisors (834506222).

1310223442 is a wasteful number, since it uses less digits than its factorization.

1310223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20225.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1310223442 is about 36197.0087438175. The cubic root of 1310223442 is about 1094.2463881836.

Adding to 1310223442 its reverse (2443220131), we get a palindrome (3753443573).

The spelling of 1310223442 in words is "one billion, three hundred ten million, two hundred twenty-three thousand, four hundred forty-two".