1313030420 has 48 divisors (see below), whose sum is σ = 3065276928. Its totient is φ = 469169280.

The previous prime is 1313030351. The next prime is 1313030437. The reversal of 1313030420 is 240303131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73394 + ... + 89513.

It is an arithmetic number, because the mean of its divisors is an integer number (63859936).

Almost surely, 2^1313030420 is an apocalyptic number.

1313030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313030420 is an abundant number, since it is smaller than the sum of its proper divisors (1752246508).

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

1313030420 is a wasteful number, since it uses less digits than its factorization.

1313030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162960 (or 162958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1313030420 is about 36235.7616174961. The cubic root of 1313030420 is about 1095.0272561900.

Adding to 1313030420 its reverse (240303131), we get a palindrome (1553333551).

The spelling of 1313030420 in words is "one billion, three hundred thirteen million, thirty thousand, four hundred twenty".