1310021122 has 8 divisors (see below), whose sum is σ = 2080621836. Its totient is φ = 616480512.

The previous prime is 1310021117. The next prime is 1310021137. The reversal of 1310021122 is 2211200131.

It can be written as a sum of positive squares in 2 ways, for example, as 1084450761 + 225570361 = 32931^2 + 15019^2 .

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

It is a super-2 number, since 2×1310021122² = 3432310680172277768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19264983 + ... + 19265050.

Almost surely, 2^1310021122 is an apocalyptic number.

1310021122 is a deficient number, since it is larger than the sum of its proper divisors (770600714).

1310021122 is a wasteful number, since it uses less digits than its factorization.

1310021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38530052.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1310021122 is about 36194.2139298535. The cubic root of 1310021122 is about 1094.1900620847.

Adding to 1310021122 its reverse (2211200131), we get a palindrome (3521221253).

The spelling of 1310021122 in words is "one billion, three hundred ten million, twenty-one thousand, one hundred twenty-two".