1313101222 has 12 divisors (see below), whose sum is σ = 1990195380. Its totient is φ = 649772736.

The previous prime is 1313101217. The next prime is 1313101247. The reversal of 1313101222 is 2221013131.

It is a junction number, because it is equal to n+sod(n) for n = 1313101196 and 1313101205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16072 + ... + 53707.

It is an arithmetic number, because the mean of its divisors is an integer number (165849615).

Almost surely, 2^1313101222 is an apocalyptic number.

1313101222 is a deficient number, since it is larger than the sum of its proper divisors (677094158).

1313101222 is an frugal number, since it uses more digits than its factorization.

1313101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69975 (or 69878 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1313101222 is about 36236.7385673711. The cubic root of 1313101222 is about 1095.0469380712.

Adding to 1313101222 its reverse (2221013131), we get a palindrome (3534114353).

The spelling of 1313101222 in words is "one billion, three hundred thirteen million, one hundred one thousand, two hundred twenty-two".