1313420322 has 16 divisors (see below), whose sum is σ = 2690910432. Its totient is φ = 427128480.

The previous prime is 1313420321. The next prime is 1313420377. The reversal of 1313420322 is 2230243131.

It is not an unprimeable number, because it can be changed into a prime (1313420321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2669308 + ... + 2669799.

It is an arithmetic number, because the mean of its divisors is an integer number (168181902).

Almost surely, 2^1313420322 is an apocalyptic number.

1313420322 is an abundant number, since it is smaller than the sum of its proper divisors (1377490110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313420322 is a wasteful number, since it uses less digits than its factorization.

1313420322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339153.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1313420322 is about 36241.1412899760. The cubic root of 1313420322 is about 1095.1356342485.

Adding to 1313420322 its reverse (2230243131), we get a palindrome (3543663453).

The spelling of 1313420322 in words is "one billion, three hundred thirteen million, four hundred twenty thousand, three hundred twenty-two".